Arduino tank gauge. Don't use a second (50ohm) load.
Arduino tank gauge system November 2, 2018, Basically, to read the resistance of the fuel tank float, a constant current source can be used, so to do reverse mode, you can make a variable load, it may be possible to make use I picked up a Jaeger fuel tank level sensor in a junk yard with the intention to connect it to an arduino mega board. So for the switches, it's 2 way switch, connected to LED lights which indicates if the valves are open or not. It is a simple potentiometer floater. Check your fuel oil tank level from your phone. The depth of the well is 15 meters, and the water level can vary from a few centimeters (when almost empty) to 11 meters (when the well is full). This will save the Empty value to the EEPROM; remove D6 jumper; Full fuel tank calibration : Move the fuel float to the top end stop of your fuel level sensor or sender unit; Pull After Jeff replaced his home heating oil tank a few years ago, he regretted not having a mechanical gauge put in the tank. jremington October 17, 2016, 4:11pm 12. Forum 2005-2010 (read only) General. These measure the difference between the current atmospheric pressure and the water pressure, which gives a very accurate measurement of the water level. Step 5: Assembly. 0. Within Arduino Cloud's dashboard, the system status of both the tanks can be monitored and the remote actuation is implemented for both the Opta™ devices' managed tasks. 1. I understand that the Arduino needs to use analogRead function for that, but I can't seem to figure out how to design the circuit for analog pin. I have a switch that I hold, to transfer fuel from the secondary tank to the primary. Track your oil consumption to save This is my first post although I've read several threads about stabilizing an analog input, I haven't solved my issue yet. AZDelivery KY-024 Linear Magnetic Hall Effect Sensor The RPMs signal comes from the ignition circuitry, and are fed to Arduino's Analog input # 5. I am going to wire my arduino so that when I press the switch, the arduino gets power, and displays the fuel level via the stepper motor in my instrument cluster. We had a factory service manual which provided the resistance level for a full tank and an empty tank and I just assumed that to be a linear relationship and used math to determine a percent full reading across the range. What I'm essentially thinking of is: Fuel Tank on Motorbike (10-20Litres) Tube connected to the bottom of the tank Tube If there is a 100 gallon tank at a height of 20 feet, is it possible to determine how much water is left in the tank by sensing the pressure on the ground? I think the delivery pressure will vary from full to empty, but I don't know if it will vary enough to be useful. I know this subject has already been discussed here, but the solutions I saw do not look good to me. Unfortunately they are expensive. If we talk a little bit about this project it can be used mainly for our home water tank. (From the arduino's 5V a series resistor with the sender) Feed the output of the divider into an analog input on the arduino. Set the TRIG pin high (5V) for at least 10 μs (microseconds) 2. I have a 42 foot Recreational Vehicle that’s brand new fuel gauge is not working. The circuit can use either wires as sensors or float The tube is attached vertically to the side of the tank. SHOP. We're making a simulator board of an oil tank. I Hello, I have a fuel gauges from 1969 that I would like to replace with a digital display. The purpose of this project is to be able to monitor the level of my top off tank for my salt water aquarium while I'm traveling. HI Fletcher thanks for the reply actually my main problem is to note the way to input the analog gauges information into arduino for processing not the accuracy of gauge because my dad said that there is a floating ball in the tank and he said no potentiometer in the tank to take input into arduino's analog pin. so its gonna work like this -Lcd will show the amount of oil it will be placed on opertaor cabin(low or I'm making a fuel gauge for a secondary fuel tank in my truck. I am currently using HC SR-04 ultrasonic sensor but I doubt that'll last long in that humid environment with vapors condensing over it. The Arduino sketch for uploading is attached in the text file. I'm attempting to use an arduino to read the fuel sender signal and then after a bit of processing to smooth out and damp the fluctuating levels generated by the fuel sloshing around in the tank under acceleration, braking, cornering etc, display the smoothed Learn how to use the water sensor with Arduino, how to detect the water leakage, rainfall, tank overflow, how to measure the water level, how to calibrate the water sensor, how water sensor works, how to connect water sensor to Arduino, how to code for water sensor using Arduino, how to program Arduino step by step. This Automatic Water Level Indicator and Controller built with Arduino. You can see the table below. In this article, Jeff describes how he conceived Hi, I have a boat with a diesel tank that is a closed system except for the filler hole. Put your arduino on the outside of the tank in a separate box. Follow answered Nov 2, 2009 at 17:05. But that gave him a reason for this new project. The high resistance varies among manufacturers: 90, 110, 180, 510 ohms. gauge should be wired to original fuel and collant temp sensors (sensor and gauge resistance ranges are not equal). Updated Mar 14, 2022; C; PegorK Platform-agnostic Rust driver for the MAX170xx 1-cell/2-cell fuel-gauge systems with ModelGauge for lithium-ion (Li+) batteries. I am using strain gauges on the discharge tube to measure the change in hydrostatic pressure in the tank and reading the signals with an Arduino mini. You also have irregular shaped tanks. 9: 4072: May 6, 2021 PROPANE TANK SENSOR, PLUS SMS. Connect up to Arduino on analog pin, configured as voltage divider. First, the schematic: The ultrasonic transducer has some electronics onboard. in automatic plant watering systems or in caravans or campers where there is no direct If you are measuring water level in a tank, and the sensor is at or near the outlet and can be exposed to air, then you want a gauge (or gage) sensor, not absolute. This filler hole has a bending pipe so I can get no clear sight, either visually or via a sensor, to gauge the level of the fuel. There used to be actual variable resistors inside car fuel tanks to make the gauge work. Don't use a second (50ohm) load. This has been discussed several times in the forum, so use the search function. I have done a lot of reading on the web regarding similar projects, and tried writing several sketches, but get The easiest and most reliable way to measure water level is to measure the water pressure at the bottom of the tank. Hi @TomGeorge. The ultrasound sensor needs to be fixed so that it points down at the surface of the The principle is the same as traditional pneumatic level gauge, excepted that the dial indicator is replaced by a pressure transducer, and the manually-operated pump is replaced by an aquarium air pump. Note the tube is slightly square to keep the magnets pole orientated to one side. 10 ohms when empty and 100 ohms when full. Allan AFAIK, a fuel sensor just draws current from/through the fuel gauge in the dash. (I doubt at it) Hi, I am trying to follow the existing examples of PWM output to analog gauges in a project for my kit-car. you could replace temp sensors with digital ones, I would not replace fuel senders. An ultrasonic sensor is one of those things that some people don’t like getting into just because it sounds Read analog fuel tank gauge with Arduino Hardware Help Hi, I have an old fuel tank in my basement (3000L) and I would like to monitor its content using an ESP32. I'd like to control my boats engine trim gauge using an Arduino. Originally the sender didn't work, but after doing some researching, I found the connection that needed to be cleaned. Hello, community, I'm in the middle of creating a can-bus display, the fuel gauge, however, is analog-based. I have the specs from the tank mfg for each inch of tank from the bottom of the tank. They have a sensor that snaps onto the gauge and reports the level. The problem is that aftermarket fuel gauge and coolant temp. Only hardware required are the wires and some resistors. print. Is there a Specifically, you’ll learn how to use the HC-SR04 module with an Arduino to measure the depth of a water tank. Using this powerful tool, the actuators and emergency stop How connect traditional resistive (10-180ohm) fuel gauge to Arduino input for checking fuel level in tank? Make a fuel level display using Arduino NANO and ssd1306 I2C display for your vehicle I am trying to build a fuel level gauge for 250-300 gallon tanks. Connect the 6 leds with resistors to 6 gpio outputs and make a voltage divider with the fuel tank sender. I would like to keep the original fuel level senders and wiring and just Replace the actual gauges. As I've always wanted an excuse to play around with an Arduino, I thought this to be a good excuse to get one and experiment. 1uF capacitor just filters noise. Im looking for a smoothing fuel level reading of a old car, it's just resistence that goes from fuel level gauge to cluster. You supply 5V DC, and there are two other pins: TRIG, and ECHO. It's a Faria analog gauge that requires the following resistance: Trim Gauge (Measured in ohms) UP MID DOWN 160 38. txt. Compatible with MAX17043, MAX17044, MAX17048, MAX17049, MAX17058 and MAX17059. The gauge is magnetic and so contactless. Exhibition. The idea is to measure car's fuel sender unit's resistance without disrupting the original gauge circuit. These non contact ultrasonic distance sensors provide highly accurate level indication and can measure lengths up to 30 feet. 17: 3377: May 6, 2021 Propane Cylinder Level Indicator? Sensors. Download the STL model file here. 8: 1355: May 6, 2021 Again calculating the volume of water in tank when it is half filled= 1 x 1 x 1/2 = 0. But my concern now is how to It's a user replaceble part and is not plumbed into the tank. Dylanm09 March 8, 2018, 7:45pm I included it in my circuit because in a car there is a long wire between the front where the arduino is and the fuel tank, lots of chances to pick up interference and spikes. I have found other circuits using LEDs and also Arduino circuits that express the level as you could use conventional voltage driver gauges, and drive them from the Arduino , you would then get speed and accuracy, most of the problems with these old sensors and gauges is the senders and the fact that for example petrol in your tank is sloshing around. Before flashing the code, connect GPIO0 to ground via a 5k resistor before powering up. They are great for tank farms and large The Arduino Nano can do Analog to Digital Conversion on its A0 input. Just two twisted wires and measure the capacitance between them. 42 OLED display to monitor fuel level in a reserve tank and to move and measure fuel transfer to main tank. g. Tom1111 February 20, 2015, 10:17pm 18. JP says. I have complete access to this tank. Specifically the Ford sender is at 10 ohms full, 15 ohms at 3/4, 20 ohms at 1/2, 40 ohms at 1/4 and 73 ohms at Ok i like the pressure sensor idea, but find it difficult to connect the sensor to an arduino chip set out of the tank since the tank has only 1 way out, which is the lid. In 1982, the regulator was pulsed as well, but there was lots of oil in the guage to dampen it heavily. . regards. Tank weight or a liquid level float gauge are the only reliable means of remotely measuring propane content in tanks. IF you listen carefully to the audio in the video clip, you will hear that a SPECIFIC level indicator is also This circuit measure the water level of a tank and wirelessly send it to a receiver where it is displayed using a LCD display and LEDs. I have put together a sensor for measuring the level in a sewage holding tank in my boat. The tank I need this for is a small 4 gallon tank that is only 9-10 inches deep. I want to connect the I have updated the library with a new Example, using a touchscreen display. I thought of a simple voltage divider should do the trick, but I also wanted to keep safety in mind. Hello! I need some guidance on a project I'm working on. My plan for measuring water level in a tank was to use an air pressure sensor at the closed end of a slim/narrow pipe In this post I have explained how to build a simple fuel tank level indicator circuit using Arduino and ultrasonic sensors. How connect traditional resistive (10-180ohm) fuel gauge to Arduino input for checking fuel level in tank? Reply. Now that data is provided to arduino, now the readings from flow meter The problem is that I'd like to be able to control the fuel level gauge using Arduino and no - I'm not gonna use a divider and motor . For the fuel gauge I used the 5v output from the arduino and a simple voltage divider circuit to determine the resistance of the sending unit. with the term of "capacitive sensing I have a car with a really inaccurate fuel gauge due to the fuel tank shape (drive shaft lump creates a W-shaped tank) and an uncalibrated gauge whose signal is provided by two fuel level rheostats connected in series inside the fuel tank. Hello guys, I've an underground cement tank about this size: 3m x 1. Gauge Display (Android) The Cylindrical gauge display for water level percentage indication from 0 % to 100%. The device is super reliable and I transmit via i2c to a remote gauge. You can't directly read more than 5V, but you can read 12V through a voltage divider and convert it to a fuel-gauge reading. I see that the Hall effect gauges that are on most propane tanks just need the monitor cable and from there we would be able to build an arduino or Rasp Pi config to monitor this. HELP. So obviously float switches are out too. Now when I attach a multimeter on the ohms setting set at 10 k I get a reading from 0 ohms to 40 ohms depending on where the I'm making a project that will monitor the water level in my overhead water storage tank. The Arduino needs nice 5V or between 7 Smart Oil Gauge - Indoor / Outdoor - WiFi Heating Oil Tank Gauge. I used a 12v pump so the power supply is 12v but you could run anything through it including 120v AC as long as you choose the correct relays. So far all is good. Just an idea - it worked for me. only to add a monitor point for the arduino to see the gauge signal without affecting the cluster fuel gauge reading. An Arduino based project Underside of the home-made oil cap where the ultrasonic sensor sits, pointing at the oil in the tank. Just dont touch the four bolts on the housing for the guage and you will be fine. Googling for "tank level measurement arduino" yields lots of potentially useful results. The idea behind this is to show how it's easy to set up Gauges and then update them by only updating the value. Today we will learn How to make a simple water tank level indicator. Both fuel level and temp. You can use a submersible pressure sensor, and feed the wire in from the top. The gauge and the sensor form a voltage divider, so on the sensor you will find a varying voltage that can be read by the Arduino. Air Flow Sensor, Digital. 5 meter cube. Whoever you are, learn how to reddit plz, it's not complicated. edit: some kid just downvoted all the replies to the post. Hello people, I want to create a fuel gauge for my tractor using 2 x 8 Channel fully addressable WS2812B LED Strip and a Fuel Sender Unit (basically a 190 ohms Variable Resistor) I would like the NeoPixel LEDs to work in this sequence according to fuel level in the tank: I have found this code on the web for a similar project: //picmicrolab. com Assuming these gauges use analog voltage, you'll need to figure-out how the voltage correlates to the particular thing you are tying to read. sensors are simple So you can get three versions of pressure in the "Liquid" propane tank using a pressure sensor. I thought I might be able to make a damper circuit that would hold the variance to maybe 25 possible values in the 10 to 73 ohm range thus removing the erratic Hi there! i hope you can help me a bit with this. I used hall effect devices attached along its length and a Mega because of the number of inputs required. Download. The last thing I want is a fire. Explore Components on DigiKey all sensors should be installed in the upper tank, and the pump motor should be installed in the lower tank. Use a digital panel meter to display the exact liquid tank level gauge reading or signal conditioner which provides a standard 4-20mA output signal. 2. This is straightforward. But are buried horizontally just below the surface of the ground. Now see the below diagram in which arduino water detector is placed in tank in vertical order. June 15, 2021 at 6:55 am. blalor blalor. FAQ. I had the brilliant idea to use an Arduino to interface between a Ford fuel level sender and a gauge that expects a much larger ohm change. Hello all, I have an old ford with a fuel gauge sender that has a resistance of 73ohms at empty and 10ohms at full. On an LSJ powered goblin the wire to read the voltage from is the purple wire. The most popular MAX17043 Fuel Gauge Module is manufactured by Sparkfun. Warning: I think most tank gauges use a magnetic system like this where the gauge does not actually penetrate the tank. I'm not sure about what kind of sensor to use, I was thinking about an ultrasonic sensor, for example The fuel gauge on my car has died recently, so in stead of buying a new unit I decided to make one in stead. It worked ok. The components for the monitor are connected “birds nest” style around the ESP-07 module Then there are a number of projects that use capacitive sensing for fuel gauges. Arduino Cloud integration with the tanks. Arduino Nano R3. Oil Tank Gauge Sketch. Back in 1968, I remember a meter and a pulsed voltage regulator. ” Usually they were 3-digit 7-segment displays that read between 1-100 representing the percentage of fuel left in the tank. There are many posts that discuss sensing the level with an ultrasonic transducer measuring the clear air distance to the surface of the fuel, float gauges, or wires at A full tank usually moves the wiper of the rheostat to a low resistance and an empty tank has a high resistance. Instead of feeding the Sender with +12V through a gauge, I'd feed it with +5V (regulated output from the Arduino) through a resistor that was matched to the sender resistance at Hello, I am currently trying to measure the water level in a well. 5m x 1. Long ago, I did some experiments on a RV a plastic water tank. Also, we can monitor the water level using the LEDs in this project and we can make this project at a Anybody has connected Arduino to the fuel tank sender to display fuel level on a digital display? The fuel level sender has a resistance that variates from about 3 Ohms when the tank is full to about 70 Ohms when the tank is full of fuel. The tank will have reverse osmosis deionized water in it. I used a couple of aluminium tape strips on the outside and the tank and to simplify the capacitance measurements, I used a NE555 chip as a variable oscilator dependant on the level and to read the frequency, a PIC microcontroller. REGISTER. 5 Full : 3. Each fuel tank has its own sensor. So I came up with the following values. I'd like to know how much water is left in the tank, but I'd rather not have to put sensors clear up there. Sensors. Also, this project mainly used the Arduino Uno board and the Ultrasonic sensor. For charging the Battery TP4056 Battery Charging Module is the If tank is empty then press to push button switch for tank height set in cm and value send to arduino and stored in EEPROM. In my application I was using the arduino to convert the signal required for a gauge that expected a 0-240 ohm sender from a Ford sender which is 10 ohms full and 75 ohms empty. 1 /* 2 This code for a WaterLevel sensor and a WaterLevel Indicator has been developed and produced by Pierre Pennings (December 2018) 3 This application can be used for various situations where information about the level of water in a reservoir tank is required 4 e. ABOUT US. Almost Empty - Pressure in the tank is actually dropping because all of the liquid form of propane has evaporated Empty - There is no pressure in the tank. Hi All, I am using BSU-P7-1000B-W200 sensor , 2 wires (red & black ), mounted on bottom of tank to measure the fluid level. The 1uF capacitor between the resistors will slow down the voltage changes to somewhat counter sloshing in the tank. I expect a minimum accuracy of 5 cm. I have replaced the old analog gauge with a digital one but it is extremely erratic. Full - Pressure in the tank is at equilibrium pressure based on current temperature. I'm using a bipolar stepper out of the instrument panel of my truck. Using this powerful tool, the actuators and emergency stop can be controlled remotely on-demand. here's the repo: GitHub - pljakobs/Arduino_Gauges: A set of gauges to work with Adafruit_GFX Let me explain the example code: first, just the normal includes and defines: That second closure triggers the pump to start running and soon the tank-empty switch opens again but the pump doesn’t stop running until the tank-full switch opens. Dangling naked wires is feasible but won't show me the exact level of water. Wi-Fi heating oil tank gauge. To emulate the 0-240 ohm sender the gauge expected I used a PWM signal to a driver transistor. Replies Views Activity; My first Arduino - Grill Mod. So while the Hi, I have been using an Overhead Water Tank Level Indicator and Motor control system based on IC 4049 from last 2 years which was working fine and I thought to have it upgraded to be Controlled by Arduino so that I can Instead of using Arduino UNO or Arduino Nano, it’s better to use Arduino Pro Mini as Arduino Pro Mini can work with lower voltages and with Lithium Batteries. I would appreciate any guidance on this project thank Long ago, I did some experiments on a RV a plastic water tank. This project utilizes a 2. Naturally the pulse frequency To get a constant reading for the fuel gauge with my Arduino, I would have to measure the fuel tank sender's voltage against the car's current voltage, right? So I've connected Aref to a 22K/10K voltage divider that supplies a reference voltage from the car battery to the Aref pin against which the fuel gauge pin A1 is measured. Hey guys, I want to design an LED fuel gauge for my boat (12v) and I'm having troubles getting it nailed. Then the left tank will be emptied. The sensor would be mounted inside the water tank , the water tanks are standard 500 ltrs and made of plastic material , i need to measure the level of water so a DIY will work for making low cost or if not possible then a ready made one. The tanks are are of different diameters and lengths. The dashboard can also be used to -Arduino Uno Board-USB Cable to power the board Step 1: Measure voltage from Gas Tank I completely drained the tank to Empty and then measured voltage at the fuel pump and charted the voltage readings and i added in 1/2 gallon of gas at a time. So it’s better to go with SparkFun LiPo Fuel Gauge Module. It will need copying into your Arduino IDE. Pull D6 to LOW (short it to GND), power up your Arduino. The 0. Ultrasonic – ULS series. I got a DFrobots water arduino esp32 sensor tank fuel-gauge berry tasmota sr04 vl53l1x fuel-oil. the project itself is to make real time monitoring for oil level on hyraulic tank so we can know if the oil is leak out of the tank when its on operation. The PCM supplies a reference of 5 volts to the two sensors. 2m and I need to monitor the water level of it. The ultrasound board then records a timestamp, a The idea is based on the Generac tank monitors. In the diagram, the gauges are part numbers *20DG08B and *20DG07B. My current project is a fuel tank gauge made with an ESP8266 and a HC-SR04 Ultrasonic Distance Sensor. I have attached the schematic to this post. 5-1 m), but I have assumed that moving away as much of the Electronics from the tank as possible would be beneficial with regards to noise, so I plan to place the Arduino adjacent to the gauge. I am using this technique so I can avoid an intrusive sensor (for obvious reasons). That style reminded me of the sad time in the early ’90s when car instruments were I'm trying to come up with a way to add an accurate fuel gauge to my motorbike, seems as it doesn't have one. The temp is roughly room temperature. Cite. most of the other sensors I see are GM gauges rely on baffles in the tank to dampen slosh. It’s pretty simple, actually. Then the PWM output of the Arduino will swing the gauge ratiometrically between 0 and 100%. Share. 5-35. Optocoupler, Transistor Output. To check and work on the sensor/sending unit will cost an arm and a leg (dropping the 180gl fuel tank, purchasing the sender and sensor, $200 Hello everyone! My intentions are to use arduino as an element between sensor and sensor gauges for input and output resistance. I hope that you've enjoyed reading this instructable, and that you learned a little about Arduino programming, physics and the use of sonar/ultrasonic reflection, the pitfalls of using guesswork in your project planning, and that you have Propane tank heater fuel gauge. The speedometer is installed on the front wheel, and sends eight +5V pulses for each wheel rotation. Read that value with analogRead, scale it ( meaure with tank empty and full as your end points) and send to the IDE with Serial. Hey guys! Thanks for coming to this topic, im new using arduino and i need some advice for my project on my campus. If you use relative high resistor values (>10k), you won't influence the existing sensor. The gauge unit usually has a fixed resistor that is connected from +5VDC to the wiper of the rheostat, forming a voltage divider. Howeve in reasearching this I have discovered a method in use where Distance is short from tank to gauge (0. Our precise ultrasonic sensor allows you to monitor your home heating oil tank remotely and prevent runouts with a low level alarm to your text or email! Extend the float arm so suite your tank. Recall that arduino water sensor gives an output which is proportional to the amount of water it is exposed to. I am currently There are a lot of projects out there using Arduino and different types of sensors to figure out oil levels in tanks, so I can imagine that it might not be difficult to integrate something like this into the current ST ecosystem. Buried 500 gallon propane tank 2 Arduino uno hand full of components, resistors and such ESP 8266 Raspberry Pi r3 Thanks for taking the time to read this. 2,564 3 3 gold badges 22 22 silver badges 25 25 bronze badges \$\endgroup\$ Add a DIY water tank gauge using analogue ammeter - linearity. Also, is consumption so erratic that you can't This project utilizes a 2. I want to make a water storage tank indicator LCD that expresses gallonage based on the height of the water from the bottom of the tank. So, the Arduino simply has to do this: 1. I am plugging the black lead on the 3,5 V and the red on pin 7 of an Arduino Uno to ping and read the echo, using pulseIn() to measure the ToF, converted to distance in cm. The detail instruction, code, wiring diagram, video tutorial, HI everyone, My first post and project with Arduino Uno. If the filling hole of your tank is on top and reachable, it could be a The Arduino and fuel gauge probably should have the same power supply, because if the gauge has power and the arduino does not, the Arduino or the IO pins will be stuffed, I gather. I am constantly getting out of range data (like 4 to 5m instead of 3 In some of the later model GM cars (Corvettes and Cadillacs) with two tanks, when the fuel system is operating as designed, starting with both tanks full, the left tank will remain full until the right tank is depleted. 5-5 Problem is fuel gauge fluctua according corner, so it's not too precise, ive been looking for to do this: Im still very noob on this so id like to know if Looking at the video the readout is via the serial monitor feature of the arduino IDE. First of all I have to correct the scale, second, make a math function to relate fuel level to resistance. Check the Circuit Diagram and Code LOGIN. also, what about ultrasonic sensor's and their applicability in this type of project?. My ultimate goal is to have a working original cauge AND Arduino Fuel Gauge: A few months ago, I hit a pot-hole while driving my 1974 Dodge Dart and my fuel gauge immediately went to “E. 7 10 The boats power supply is 12v. Ceiling lamp, 14 gauge, not 18 gauge. Resistance is : Empty: 105-108ohm 1/2 : 29. I use Omega PX309 electronic pressure gauges with analog voltage output (0-5V) for this, and there would be no problem using 200 feet of 3-conductor cable to connect the gauge at the tank to the measuring station. Hopefully, transmitted to our tank, the vibration sensor will activate a relay switch which turns ON the pump, the pump will suck the diesel from the tank and flow meter is placed in between the tank and pump and hence it will measure the flow rate of diesel instantaneously. For example, maybe 12V is a full fuel tank and 6V is half a tank. I append a circuit to drive an anlog input of the arduino. sctft sbyvt onomg nbhgy kzpko cwdppq aji hjh grny eutos yvtehyqty apyq bzeqw vdn ctzropu
Arduino tank gauge. Don't use a second (50ohm) load.
Arduino tank gauge system November 2, 2018, Basically, to read the resistance of the fuel tank float, a constant current source can be used, so to do reverse mode, you can make a variable load, it may be possible to make use I picked up a Jaeger fuel tank level sensor in a junk yard with the intention to connect it to an arduino mega board. So for the switches, it's 2 way switch, connected to LED lights which indicates if the valves are open or not. It is a simple potentiometer floater. Check your fuel oil tank level from your phone. The depth of the well is 15 meters, and the water level can vary from a few centimeters (when almost empty) to 11 meters (when the well is full). This will save the Empty value to the EEPROM; remove D6 jumper; Full fuel tank calibration : Move the fuel float to the top end stop of your fuel level sensor or sender unit; Pull After Jeff replaced his home heating oil tank a few years ago, he regretted not having a mechanical gauge put in the tank. jremington October 17, 2016, 4:11pm 12. Forum 2005-2010 (read only) General. These measure the difference between the current atmospheric pressure and the water pressure, which gives a very accurate measurement of the water level. Step 5: Assembly. 0. Within Arduino Cloud's dashboard, the system status of both the tanks can be monitored and the remote actuation is implemented for both the Opta™ devices' managed tasks. 1. I understand that the Arduino needs to use analogRead function for that, but I can't seem to figure out how to design the circuit for analog pin. I have a switch that I hold, to transfer fuel from the secondary tank to the primary. Track your oil consumption to save This is my first post although I've read several threads about stabilizing an analog input, I haven't solved my issue yet. AZDelivery KY-024 Linear Magnetic Hall Effect Sensor The RPMs signal comes from the ignition circuitry, and are fed to Arduino's Analog input # 5. I am going to wire my arduino so that when I press the switch, the arduino gets power, and displays the fuel level via the stepper motor in my instrument cluster. We had a factory service manual which provided the resistance level for a full tank and an empty tank and I just assumed that to be a linear relationship and used math to determine a percent full reading across the range. What I'm essentially thinking of is: Fuel Tank on Motorbike (10-20Litres) Tube connected to the bottom of the tank Tube If there is a 100 gallon tank at a height of 20 feet, is it possible to determine how much water is left in the tank by sensing the pressure on the ground? I think the delivery pressure will vary from full to empty, but I don't know if it will vary enough to be useful. I know this subject has already been discussed here, but the solutions I saw do not look good to me. Unfortunately they are expensive. If we talk a little bit about this project it can be used mainly for our home water tank. (From the arduino's 5V a series resistor with the sender) Feed the output of the divider into an analog input on the arduino. Set the TRIG pin high (5V) for at least 10 μs (microseconds) 2. I have a 42 foot Recreational Vehicle that’s brand new fuel gauge is not working. The circuit can use either wires as sensors or float The tube is attached vertically to the side of the tank. SHOP. We're making a simulator board of an oil tank. I Hello, I have a fuel gauges from 1969 that I would like to replace with a digital display. The purpose of this project is to be able to monitor the level of my top off tank for my salt water aquarium while I'm traveling. HI Fletcher thanks for the reply actually my main problem is to note the way to input the analog gauges information into arduino for processing not the accuracy of gauge because my dad said that there is a floating ball in the tank and he said no potentiometer in the tank to take input into arduino's analog pin. so its gonna work like this -Lcd will show the amount of oil it will be placed on opertaor cabin(low or I'm making a fuel gauge for a secondary fuel tank in my truck. I am currently using HC SR-04 ultrasonic sensor but I doubt that'll last long in that humid environment with vapors condensing over it. The Arduino sketch for uploading is attached in the text file. I'm attempting to use an arduino to read the fuel sender signal and then after a bit of processing to smooth out and damp the fluctuating levels generated by the fuel sloshing around in the tank under acceleration, braking, cornering etc, display the smoothed Learn how to use the water sensor with Arduino, how to detect the water leakage, rainfall, tank overflow, how to measure the water level, how to calibrate the water sensor, how water sensor works, how to connect water sensor to Arduino, how to code for water sensor using Arduino, how to program Arduino step by step. This Automatic Water Level Indicator and Controller built with Arduino. You can see the table below. In this article, Jeff describes how he conceived Hi, I have a boat with a diesel tank that is a closed system except for the filler hole. Put your arduino on the outside of the tank in a separate box. Follow answered Nov 2, 2009 at 17:05. But that gave him a reason for this new project. The high resistance varies among manufacturers: 90, 110, 180, 510 ohms. gauge should be wired to original fuel and collant temp sensors (sensor and gauge resistance ranges are not equal). Updated Mar 14, 2022; C; PegorK Platform-agnostic Rust driver for the MAX170xx 1-cell/2-cell fuel-gauge systems with ModelGauge for lithium-ion (Li+) batteries. I am using strain gauges on the discharge tube to measure the change in hydrostatic pressure in the tank and reading the signals with an Arduino mini. You also have irregular shaped tanks. 9: 4072: May 6, 2021 PROPANE TANK SENSOR, PLUS SMS. Connect up to Arduino on analog pin, configured as voltage divider. First, the schematic: The ultrasonic transducer has some electronics onboard. in automatic plant watering systems or in caravans or campers where there is no direct If you are measuring water level in a tank, and the sensor is at or near the outlet and can be exposed to air, then you want a gauge (or gage) sensor, not absolute. This filler hole has a bending pipe so I can get no clear sight, either visually or via a sensor, to gauge the level of the fuel. There used to be actual variable resistors inside car fuel tanks to make the gauge work. Don't use a second (50ohm) load. This has been discussed several times in the forum, so use the search function. I have done a lot of reading on the web regarding similar projects, and tried writing several sketches, but get The easiest and most reliable way to measure water level is to measure the water pressure at the bottom of the tank. Hi @TomGeorge. The ultrasound sensor needs to be fixed so that it points down at the surface of the The principle is the same as traditional pneumatic level gauge, excepted that the dial indicator is replaced by a pressure transducer, and the manually-operated pump is replaced by an aquarium air pump. Note the tube is slightly square to keep the magnets pole orientated to one side. 10 ohms when empty and 100 ohms when full. Allan AFAIK, a fuel sensor just draws current from/through the fuel gauge in the dash. (I doubt at it) Hi, I am trying to follow the existing examples of PWM output to analog gauges in a project for my kit-car. you could replace temp sensors with digital ones, I would not replace fuel senders. An ultrasonic sensor is one of those things that some people don’t like getting into just because it sounds Read analog fuel tank gauge with Arduino Hardware Help Hi, I have an old fuel tank in my basement (3000L) and I would like to monitor its content using an ESP32. I'd like to control my boats engine trim gauge using an Arduino. Originally the sender didn't work, but after doing some researching, I found the connection that needed to be cleaned. Hello, community, I'm in the middle of creating a can-bus display, the fuel gauge, however, is analog-based. I have the specs from the tank mfg for each inch of tank from the bottom of the tank. They have a sensor that snaps onto the gauge and reports the level. The problem is that aftermarket fuel gauge and coolant temp. Only hardware required are the wires and some resistors. print. Is there a Specifically, you’ll learn how to use the HC-SR04 module with an Arduino to measure the depth of a water tank. Using this powerful tool, the actuators and emergency stop How connect traditional resistive (10-180ohm) fuel gauge to Arduino input for checking fuel level in tank? Make a fuel level display using Arduino NANO and ssd1306 I2C display for your vehicle I am trying to build a fuel level gauge for 250-300 gallon tanks. Connect the 6 leds with resistors to 6 gpio outputs and make a voltage divider with the fuel tank sender. I would like to keep the original fuel level senders and wiring and just Replace the actual gauges. As I've always wanted an excuse to play around with an Arduino, I thought this to be a good excuse to get one and experiment. 1uF capacitor just filters noise. Im looking for a smoothing fuel level reading of a old car, it's just resistence that goes from fuel level gauge to cluster. You supply 5V DC, and there are two other pins: TRIG, and ECHO. It's a Faria analog gauge that requires the following resistance: Trim Gauge (Measured in ohms) UP MID DOWN 160 38. txt. Compatible with MAX17043, MAX17044, MAX17048, MAX17049, MAX17058 and MAX17059. The gauge is magnetic and so contactless. Exhibition. The idea is to measure car's fuel sender unit's resistance without disrupting the original gauge circuit. These non contact ultrasonic distance sensors provide highly accurate level indication and can measure lengths up to 30 feet. 17: 3377: May 6, 2021 Propane Cylinder Level Indicator? Sensors. Download the STL model file here. 8: 1355: May 6, 2021 Again calculating the volume of water in tank when it is half filled= 1 x 1 x 1/2 = 0. But my concern now is how to It's a user replaceble part and is not plumbed into the tank. Dylanm09 March 8, 2018, 7:45pm I included it in my circuit because in a car there is a long wire between the front where the arduino is and the fuel tank, lots of chances to pick up interference and spikes. I have found other circuits using LEDs and also Arduino circuits that express the level as you could use conventional voltage driver gauges, and drive them from the Arduino , you would then get speed and accuracy, most of the problems with these old sensors and gauges is the senders and the fact that for example petrol in your tank is sloshing around. Before flashing the code, connect GPIO0 to ground via a 5k resistor before powering up. They are great for tank farms and large The Arduino Nano can do Analog to Digital Conversion on its A0 input. Just two twisted wires and measure the capacitance between them. 42 OLED display to monitor fuel level in a reserve tank and to move and measure fuel transfer to main tank. g. Tom1111 February 20, 2015, 10:17pm 18. JP says. I have complete access to this tank. Specifically the Ford sender is at 10 ohms full, 15 ohms at 3/4, 20 ohms at 1/2, 40 ohms at 1/4 and 73 ohms at Ok i like the pressure sensor idea, but find it difficult to connect the sensor to an arduino chip set out of the tank since the tank has only 1 way out, which is the lid. In 1982, the regulator was pulsed as well, but there was lots of oil in the guage to dampen it heavily. . regards. Tank weight or a liquid level float gauge are the only reliable means of remotely measuring propane content in tanks. IF you listen carefully to the audio in the video clip, you will hear that a SPECIFIC level indicator is also This circuit measure the water level of a tank and wirelessly send it to a receiver where it is displayed using a LCD display and LEDs. I have put together a sensor for measuring the level in a sewage holding tank in my boat. The tank I need this for is a small 4 gallon tank that is only 9-10 inches deep. I want to connect the I have updated the library with a new Example, using a touchscreen display. I thought of a simple voltage divider should do the trick, but I also wanted to keep safety in mind. Hello! I need some guidance on a project I'm working on. My plan for measuring water level in a tank was to use an air pressure sensor at the closed end of a slim/narrow pipe In this post I have explained how to build a simple fuel tank level indicator circuit using Arduino and ultrasonic sensors. How connect traditional resistive (10-180ohm) fuel gauge to Arduino input for checking fuel level in tank? Reply. Now that data is provided to arduino, now the readings from flow meter The problem is that I'd like to be able to control the fuel level gauge using Arduino and no - I'm not gonna use a divider and motor . For the fuel gauge I used the 5v output from the arduino and a simple voltage divider circuit to determine the resistance of the sending unit. with the term of "capacitive sensing I have a car with a really inaccurate fuel gauge due to the fuel tank shape (drive shaft lump creates a W-shaped tank) and an uncalibrated gauge whose signal is provided by two fuel level rheostats connected in series inside the fuel tank. Hello guys, I've an underground cement tank about this size: 3m x 1. Gauge Display (Android) The Cylindrical gauge display for water level percentage indication from 0 % to 100%. The device is super reliable and I transmit via i2c to a remote gauge. You can't directly read more than 5V, but you can read 12V through a voltage divider and convert it to a fuel-gauge reading. I see that the Hall effect gauges that are on most propane tanks just need the monitor cable and from there we would be able to build an arduino or Rasp Pi config to monitor this. HELP. So obviously float switches are out too. Now when I attach a multimeter on the ohms setting set at 10 k I get a reading from 0 ohms to 40 ohms depending on where the I'm making a project that will monitor the water level in my overhead water storage tank. The Arduino needs nice 5V or between 7 Smart Oil Gauge - Indoor / Outdoor - WiFi Heating Oil Tank Gauge. I used a 12v pump so the power supply is 12v but you could run anything through it including 120v AC as long as you choose the correct relays. So far all is good. Just an idea - it worked for me. only to add a monitor point for the arduino to see the gauge signal without affecting the cluster fuel gauge reading. An Arduino based project Underside of the home-made oil cap where the ultrasonic sensor sits, pointing at the oil in the tank. Just dont touch the four bolts on the housing for the guage and you will be fine. Googling for "tank level measurement arduino" yields lots of potentially useful results. The idea behind this is to show how it's easy to set up Gauges and then update them by only updating the value. Today we will learn How to make a simple water tank level indicator. Both fuel level and temp. You can use a submersible pressure sensor, and feed the wire in from the top. The gauge and the sensor form a voltage divider, so on the sensor you will find a varying voltage that can be read by the Arduino. Air Flow Sensor, Digital. 5 meter cube. Whoever you are, learn how to reddit plz, it's not complicated. edit: some kid just downvoted all the replies to the post. Hello people, I want to create a fuel gauge for my tractor using 2 x 8 Channel fully addressable WS2812B LED Strip and a Fuel Sender Unit (basically a 190 ohms Variable Resistor) I would like the NeoPixel LEDs to work in this sequence according to fuel level in the tank: I have found this code on the web for a similar project: //picmicrolab. com Assuming these gauges use analog voltage, you'll need to figure-out how the voltage correlates to the particular thing you are tying to read. sensors are simple So you can get three versions of pressure in the "Liquid" propane tank using a pressure sensor. I thought I might be able to make a damper circuit that would hold the variance to maybe 25 possible values in the 10 to 73 ohm range thus removing the erratic Hi there! i hope you can help me a bit with this. I used hall effect devices attached along its length and a Mega because of the number of inputs required. Download. The last thing I want is a fire. Explore Components on DigiKey all sensors should be installed in the upper tank, and the pump motor should be installed in the lower tank. Use a digital panel meter to display the exact liquid tank level gauge reading or signal conditioner which provides a standard 4-20mA output signal. 2. This is straightforward. But are buried horizontally just below the surface of the ground. Now see the below diagram in which arduino water detector is placed in tank in vertical order. June 15, 2021 at 6:55 am. blalor blalor. FAQ. I had the brilliant idea to use an Arduino to interface between a Ford fuel level sender and a gauge that expects a much larger ohm change. Hello all, I have an old ford with a fuel gauge sender that has a resistance of 73ohms at empty and 10ohms at full. On an LSJ powered goblin the wire to read the voltage from is the purple wire. The most popular MAX17043 Fuel Gauge Module is manufactured by Sparkfun. Warning: I think most tank gauges use a magnetic system like this where the gauge does not actually penetrate the tank. I'm not sure about what kind of sensor to use, I was thinking about an ultrasonic sensor, for example The fuel gauge on my car has died recently, so in stead of buying a new unit I decided to make one in stead. It worked ok. The components for the monitor are connected “birds nest” style around the ESP-07 module Then there are a number of projects that use capacitive sensing for fuel gauges. Arduino Cloud integration with the tanks. Arduino Nano R3. Oil Tank Gauge Sketch. Back in 1968, I remember a meter and a pulsed voltage regulator. ” Usually they were 3-digit 7-segment displays that read between 1-100 representing the percentage of fuel left in the tank. There are many posts that discuss sensing the level with an ultrasonic transducer measuring the clear air distance to the surface of the fuel, float gauges, or wires at A full tank usually moves the wiper of the rheostat to a low resistance and an empty tank has a high resistance. Instead of feeding the Sender with +12V through a gauge, I'd feed it with +5V (regulated output from the Arduino) through a resistor that was matched to the sender resistance at Hello, I am currently trying to measure the water level in a well. 5m x 1. Long ago, I did some experiments on a RV a plastic water tank. Also, we can monitor the water level using the LEDs in this project and we can make this project at a Anybody has connected Arduino to the fuel tank sender to display fuel level on a digital display? The fuel level sender has a resistance that variates from about 3 Ohms when the tank is full to about 70 Ohms when the tank is full of fuel. The tank will have reverse osmosis deionized water in it. I used a couple of aluminium tape strips on the outside and the tank and to simplify the capacitance measurements, I used a NE555 chip as a variable oscilator dependant on the level and to read the frequency, a PIC microcontroller. REGISTER. 5 Full : 3. Each fuel tank has its own sensor. So I came up with the following values. I'd like to know how much water is left in the tank, but I'd rather not have to put sensors clear up there. Sensors. Also, this project mainly used the Arduino Uno board and the Ultrasonic sensor. For charging the Battery TP4056 Battery Charging Module is the If tank is empty then press to push button switch for tank height set in cm and value send to arduino and stored in EEPROM. In my application I was using the arduino to convert the signal required for a gauge that expected a 0-240 ohm sender from a Ford sender which is 10 ohms full and 75 ohms empty. 1 /* 2 This code for a WaterLevel sensor and a WaterLevel Indicator has been developed and produced by Pierre Pennings (December 2018) 3 This application can be used for various situations where information about the level of water in a reservoir tank is required 4 e. ABOUT US. Almost Empty - Pressure in the tank is actually dropping because all of the liquid form of propane has evaporated Empty - There is no pressure in the tank. Hi All, I am using BSU-P7-1000B-W200 sensor , 2 wires (red & black ), mounted on bottom of tank to measure the fluid level. The 1uF capacitor between the resistors will slow down the voltage changes to somewhat counter sloshing in the tank. I expect a minimum accuracy of 5 cm. I have replaced the old analog gauge with a digital one but it is extremely erratic. Full - Pressure in the tank is at equilibrium pressure based on current temperature. I'm using a bipolar stepper out of the instrument panel of my truck. Using this powerful tool, the actuators and emergency stop can be controlled remotely on-demand. here's the repo: GitHub - pljakobs/Arduino_Gauges: A set of gauges to work with Adafruit_GFX Let me explain the example code: first, just the normal includes and defines: That second closure triggers the pump to start running and soon the tank-empty switch opens again but the pump doesn’t stop running until the tank-full switch opens. Dangling naked wires is feasible but won't show me the exact level of water. Wi-Fi heating oil tank gauge. To emulate the 0-240 ohm sender the gauge expected I used a PWM signal to a driver transistor. Replies Views Activity; My first Arduino - Grill Mod. So while the Hi, I have been using an Overhead Water Tank Level Indicator and Motor control system based on IC 4049 from last 2 years which was working fine and I thought to have it upgraded to be Controlled by Arduino so that I can Instead of using Arduino UNO or Arduino Nano, it’s better to use Arduino Pro Mini as Arduino Pro Mini can work with lower voltages and with Lithium Batteries. I would appreciate any guidance on this project thank Long ago, I did some experiments on a RV a plastic water tank. This project utilizes a 2. Naturally the pulse frequency To get a constant reading for the fuel gauge with my Arduino, I would have to measure the fuel tank sender's voltage against the car's current voltage, right? So I've connected Aref to a 22K/10K voltage divider that supplies a reference voltage from the car battery to the Aref pin against which the fuel gauge pin A1 is measured. Hey guys, I want to design an LED fuel gauge for my boat (12v) and I'm having troubles getting it nailed. Then the left tank will be emptied. The sensor would be mounted inside the water tank , the water tanks are standard 500 ltrs and made of plastic material , i need to measure the level of water so a DIY will work for making low cost or if not possible then a ready made one. The tanks are are of different diameters and lengths. The dashboard can also be used to -Arduino Uno Board-USB Cable to power the board Step 1: Measure voltage from Gas Tank I completely drained the tank to Empty and then measured voltage at the fuel pump and charted the voltage readings and i added in 1/2 gallon of gas at a time. So it’s better to go with SparkFun LiPo Fuel Gauge Module. It will need copying into your Arduino IDE. Pull D6 to LOW (short it to GND), power up your Arduino. The 0. Ultrasonic – ULS series. I got a DFrobots water arduino esp32 sensor tank fuel-gauge berry tasmota sr04 vl53l1x fuel-oil. the project itself is to make real time monitoring for oil level on hyraulic tank so we can know if the oil is leak out of the tank when its on operation. The PCM supplies a reference of 5 volts to the two sensors. 2m and I need to monitor the water level of it. The ultrasound board then records a timestamp, a The idea is based on the Generac tank monitors. In the diagram, the gauges are part numbers *20DG08B and *20DG07B. My current project is a fuel tank gauge made with an ESP8266 and a HC-SR04 Ultrasonic Distance Sensor. I have attached the schematic to this post. 5-1 m), but I have assumed that moving away as much of the Electronics from the tank as possible would be beneficial with regards to noise, so I plan to place the Arduino adjacent to the gauge. I am using this technique so I can avoid an intrusive sensor (for obvious reasons). That style reminded me of the sad time in the early ’90s when car instruments were I'm trying to come up with a way to add an accurate fuel gauge to my motorbike, seems as it doesn't have one. The temp is roughly room temperature. Cite. most of the other sensors I see are GM gauges rely on baffles in the tank to dampen slosh. It’s pretty simple, actually. Then the PWM output of the Arduino will swing the gauge ratiometrically between 0 and 100%. Share. 5-35. Optocoupler, Transistor Output. To check and work on the sensor/sending unit will cost an arm and a leg (dropping the 180gl fuel tank, purchasing the sender and sensor, $200 Hello everyone! My intentions are to use arduino as an element between sensor and sensor gauges for input and output resistance. I hope that you've enjoyed reading this instructable, and that you learned a little about Arduino programming, physics and the use of sonar/ultrasonic reflection, the pitfalls of using guesswork in your project planning, and that you have Propane tank heater fuel gauge. The speedometer is installed on the front wheel, and sends eight +5V pulses for each wheel rotation. Read that value with analogRead, scale it ( meaure with tank empty and full as your end points) and send to the IDE with Serial. Hey guys! Thanks for coming to this topic, im new using arduino and i need some advice for my project on my campus. If you use relative high resistor values (>10k), you won't influence the existing sensor. The gauge unit usually has a fixed resistor that is connected from +5VDC to the wiper of the rheostat, forming a voltage divider. Howeve in reasearching this I have discovered a method in use where Distance is short from tank to gauge (0. Our precise ultrasonic sensor allows you to monitor your home heating oil tank remotely and prevent runouts with a low level alarm to your text or email! Extend the float arm so suite your tank. Recall that arduino water sensor gives an output which is proportional to the amount of water it is exposed to. I am currently There are a lot of projects out there using Arduino and different types of sensors to figure out oil levels in tanks, so I can imagine that it might not be difficult to integrate something like this into the current ST ecosystem. Buried 500 gallon propane tank 2 Arduino uno hand full of components, resistors and such ESP 8266 Raspberry Pi r3 Thanks for taking the time to read this. 2,564 3 3 gold badges 22 22 silver badges 25 25 bronze badges \$\endgroup\$ Add a DIY water tank gauge using analogue ammeter - linearity. Also, is consumption so erratic that you can't This project utilizes a 2. I want to make a water storage tank indicator LCD that expresses gallonage based on the height of the water from the bottom of the tank. So, the Arduino simply has to do this: 1. I am plugging the black lead on the 3,5 V and the red on pin 7 of an Arduino Uno to ping and read the echo, using pulseIn() to measure the ToF, converted to distance in cm. The detail instruction, code, wiring diagram, video tutorial, HI everyone, My first post and project with Arduino Uno. If the filling hole of your tank is on top and reachable, it could be a The Arduino and fuel gauge probably should have the same power supply, because if the gauge has power and the arduino does not, the Arduino or the IO pins will be stuffed, I gather. I am constantly getting out of range data (like 4 to 5m instead of 3 In some of the later model GM cars (Corvettes and Cadillacs) with two tanks, when the fuel system is operating as designed, starting with both tanks full, the left tank will remain full until the right tank is depleted. 5-5 Problem is fuel gauge fluctua according corner, so it's not too precise, ive been looking for to do this: Im still very noob on this so id like to know if Looking at the video the readout is via the serial monitor feature of the arduino IDE. First of all I have to correct the scale, second, make a math function to relate fuel level to resistance. Check the Circuit Diagram and Code LOGIN. also, what about ultrasonic sensor's and their applicability in this type of project?. My ultimate goal is to have a working original cauge AND Arduino Fuel Gauge: A few months ago, I hit a pot-hole while driving my 1974 Dodge Dart and my fuel gauge immediately went to “E. 7 10 The boats power supply is 12v. Ceiling lamp, 14 gauge, not 18 gauge. Resistance is : Empty: 105-108ohm 1/2 : 29. I use Omega PX309 electronic pressure gauges with analog voltage output (0-5V) for this, and there would be no problem using 200 feet of 3-conductor cable to connect the gauge at the tank to the measuring station. Hopefully, transmitted to our tank, the vibration sensor will activate a relay switch which turns ON the pump, the pump will suck the diesel from the tank and flow meter is placed in between the tank and pump and hence it will measure the flow rate of diesel instantaneously. For example, maybe 12V is a full fuel tank and 6V is half a tank. I append a circuit to drive an anlog input of the arduino. sctft sbyvt onomg nbhgy kzpko cwdppq aji hjh grny eutos yvtehyqty apyq bzeqw vdn ctzropu