Arduino flow meter code. Circuit Diagram The water flow sensor circuit diagram is shown below to interface a water flow sensor and LCD (16x2) with Arduino. The sensors are kept as in the image below. PulseFlowMeter is simple library for reading accurate flow rates with pulse-output type flow meters. Flow Measuring Water Flow Rate Using Arduino and Flow Sensor: Flow sensor helps you to calculate the flow rate and volume of liquid that has passed through the pipe. It is one for analogue output and one for GND (I guess). In this tutorial, we will measure the water flow rate and volume using an Arduino and a Flow Sensor. The sensor comes with three wires: red (5-24VDC power), black (ground) and yellow (Hall effect pulse output). arduino esp8266 nodemcu blynk-server blynk esp8266-arduino metering flowmeter flow-sensors water-meter water-counter water-consumption Readme GPL-3. Right now the flow meter is on Port D, and the SoftwareSerial link to the LCD is on Port B. And the flow frequency on each pulse is used to calculate the water flow rate and volume. I understand I have to use a voltage divider if Arduino Mega Flow Sample Code Revised 9/2024 After flashing the Arduino with the code below, open the serial monitor and set it to append carriage return only and then set the baud rate to 9600. B. Contribute to archytech99/Flowmeter development by creating an account on GitHub. The sensor has a direct relationship between the output voltage and flow rate, meaning I should only need to convert the analog signal to voltage (then flow). Outlet pump is 750L/hr and inlet pump is 1100L/hr. What is a water flow sensor How to Use Water Flow Sensor - Arduino Tutorial: In this tutorial you will learn how to use one water flow sensor with an Arduino board. in your code you should re-enable interrupts immediately after you used the counter variable (so in the line after you assigned flowRate). Thank you if you choose to help. I had to modify the SoftwareSerial class's ISRs to not clobber the one I'm using for the flow meter. In this Flow Sensor with Arduino tutorial, we will go over how to measure liquid flow rate using an Arduino board. I hope I get the format correct, 1st time using the forum and I'm following the guide as best as possible. This is used to read the pulses coming from the flow meter. The Arduino processes the sensor data and updates the display in real-time. - FlowMeter/README. I am using a _______ Flow meter, that produces pulses from what I understand. “analogWrite”) related to actual flow in ml/s and change this variable to calibrate the units. In this project you will learn how to:Communicate Arduino with Raspberry PiRead a flowmeter pulsesConnect a Raspber Eben Farnworth's design for an open flow meter only costs around $60 USD, which pales in comparison to the typical price tag of $1,000. Normally manual water… Building an Arduino Water Flow Meter May 6, 2019 Arduino Tutorial Updated: October 16, 2025 How do you measure the volume of a liquid? There are a couple or so ways to do it. The system features a 128x64 OLED display for real-time data visualization and Conclusion Water flow measurement and control with LCD output is a practical project that combines electronics, sensor technology, and Arduino programming. The full sketch is down below, I'm using a NodeMCU and a flow meter to calculate Gallons per Minute and keep a running total of the number of Gallons used. enhance volume. One can control the valve manually and digitally in order to limit the flow of water through the pipe. I've been looking through code and trying In this video, you will learn how to connect water flow sensor with arduinoComponents required to make this project are :1) Arduino UNO2) Arduino UNO Cable3) Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT - hafidhh/FlowSensor-Arduino Dazu kann man am Anfang vom Arduino-Code den "cfactor" modifizieren. This project allows you to monitor water flow rates and total volume accurately, making it useful in various applications, from monitoring water consumption to controlling irrigation systems. A little needed back story have brain damagage, and trying to relearn this all from scratch which is hard when you can not remember or compute things correctly. For most pumps How are you all doing, I have a project that requires 3 flow meters, pressure sensors, and temp gauges, along with a display, I thought using a curicit. Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products. May 20, 2024 · Source code to measure Flow rate and Volume of water Connect Arduino board to the computer where Arduino IDE is installed, Open new project, Copy the below code and paste it in the workspace. Anyway, I have figured out how Interfacing ScioSense UFM01 Ultrasonic Flow Sensor With Arduino I was tasked at my work with measuring an unknown amount of water flow from some drains to evaluate the effectiveness of different drainage experiments. Once it is uploaded and you have some fluid flowing through the Water Flow Sensor, you can open the serial monitor and it will display the flow rate, refreshing every second. 0 liegt und es um 50 ml zu wenig im Messbecher sind, so kann man den Wert z. I am somewhat familiar with Arduino and am trying to use two ultrasonic HC-SR04 modules to measure the direction of water flow inside a pipe. co. It typically uses a hall-effect sensor to detect changes in flow, making it suitable for applications such as water flow monitoring, gas flow control, and fluid dispensing systems. Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT - hafidhh/FlowSensor-Arduino Water Flow Sensor Pinout diagram, working, interfacing with Arduino, measure and display flow rate on LCD and Serial monitor, Applications Make an Arduino flow rate sensor to measure water flow for a variety of applications. 7 ändern. I've a college project where I'm trying to control the speed of an inlet pump by the flow rate of the outlet pump. If you are new to Arduino and LCDs, you can consider reading this Interfacing Arduino and LCD Article. Feb 2, 2025 · This is a very wonderful project that can be used in industry or at home or at water flow measurement application in water tap, tunnel, river, etc. 0 license Activity Measuring Water Flow Rate and Volume using Arduino and a Flow Sensor Flow rate and volume helps tell the amount of fluid going into, or through a particular vessel. For level measurements, an ultrasonic sensor is useful. How are you all doing, I have a project that use 4 water flow sensors. In this tutorial we are designing flow meter using arduino, basically we use arduino boot loader controller on our custom made PCB. How to use a water flow sensor (Hardware and Code). the device itself is battery powered and the custom PCB contains the necessary battery charging circuitry to recharge the internal battery. Mit dem Wert exprimiert man so lange herum, bis die Füllmenge im Messbecher mit der Menge am Arduino überein stimmt. auf 4. One technique is to determine the level of the liquid in a container with a known cross-sectional area. The flow meter I am using is the Gredia GR-402B F=(38*Q) Q=L / min I'm trying to figure out the best way to measure how many gallons is running through the meter in total (running total). Explore comprehensive documentation for the Arduino UNO Based Water Flow Monitoring System with OLED Display and Rotary Encoder project, including components, wiring, and code. Hello, I have been trying to connect the Omega Mass Flow Meter (FMA-2600/FVL-2600 SERIES) to my Arduino to receive pressure, flow, and temperature data on the serial monitor, however upon connecting it, I just keep receiving zeros for all the 3 data outputs. io plan and code would solve my dilemma but alas no. MEASURING WATER FLOW WITH ARDUINO #arduino #esp32 #waterpump How to Use Water Flow Sensor (Make Water Meter with Arduino or ESP8266) Hi guys, I am suppose to connect a water flow sensor to calculate the water flow rate using Arduino UNO. e. Here the code uses an external interrupt on Arduino’s digital pin 2. I adapting water flow meter code Projects General Guidance system June 23, 2013, 5:39pm Once you have it wired up you will need to upload the following code to your Seeeduino. The working principle of the hall water flow sensor. Source Code YF‐ S201 Water Flow Sensor Water Flow Sensor output processed to read in litres/hour Adaptation Courtesy: hobbytronics. each 24v pump is controlled via Mosfet PWM drivers capable of 30v. I have connect it to the Arduino, but I don't really know how to code it out. The connection of the water flow sensor and LCD (16x2) with the Arduino is given below in table format. There are different types of flow sensors in the market, but for this tutorial, we will be using a hall-effect flow sensor. Step 2 : Upload the flow meter code to the Arduino and measure water flow rate Upload the following code to your Arduino : Flow Meter Code. Contribute to adafruit/Adafruit-Flow-Meter development by creating an account on GitHub. About Arduino flow meter library that provides calibrated liquid flow and volume measurement with flow sensors. The directi An Arduino powered flow-meter for use in geography river studies and environmental monitoring projects I have used Arduino Uno, Mega and D1 to read the pressure sensor analogue output with no problem. To keep track of when to replace filters or do maintenance. This is the code I tried modifying to get it to work with two flow meters, but only the flow meter using pin 2 works. The proposed project can measure the rate of water flow in litre / minute and total water flow in litres. In the setup I have a Honeywell AWM720P1 mass flow sensor, with a 9V power supply to measure the mass flow rate. May 11, 2020 · Well, in this blog we will tell you basically all the things you need to know about the Water Flow Sensor, which including: A short description of the water flow sensor. This project is a water flow monitoring system that utilizes an Arduino UNO to measure and display the flow rate of water through a sensor. It is powered by the ESP32-S3 SoC from Espressif. // reading liquid flow rate using Seeeduino and Water Flow Sensor from Seeedstudio. The bit of code I'm hoping to understand This tutorial demonstrates how to interface Flow sensor with Arduino, Microcontroller, with code and circuit diagram Arduino flow meter library that provides calibrated liquid flow and volume measurement with flow sensors. Basically I need to calculate how much water is flowing through a pipe. These sensors have 3 wires and require power from the Arduino board. Outlet pump is controlled with a pot. uk */ Hello, I've been struggling with understanding the math behind a bit of code and would just like to have someone check my comments to see if I've got it. Smart Water Measurement Library for Arduino. ) PWM and flow calibration. Nov 6, 2025 · In this post I will show how to construct a digital water flow meter using Arduino and 16 x 2 LCD display. As you may see, I basically just double everything that the 1st flow meter was using and added '2' to the end: Arduino measure the number of pulses and then calculate the flow rate in L/hr using a simple conversion formula. Water Flow Sensor for Flow Rate & Volume Measurement using Arduino code along with the circuit diagram is explained below. Arduino flow meter library that provides calibrated liquid flow and volume measurement with flow sensors. Description: Water Flow Sensor Arduino, Water Flow Rate & Volume Measurement- In this Tutorial, you will learn how to accurately measure the Water Flow Rate and Water volume using the Water Flow Sensor YF-S401, Arduino UNO, and a 12v DC Water Pump. A flow meter is a device used to measure the flow rate or quantity… The total number of interrupts fired over a particular time is then used in generating the flowrate and the total volume of liquid that has traveled through the flow meter. The problem is I only can use pin 2 to read pulse from sensor, other pins can't, they give back wrong pulse. . Flow meter is actually a valve. It utilizes a YF-S201 water flow meter and a DS18B20 temperature sensor to collect data, which is then displayed on a 16x2 I2C LCD. The detail about the calculation formula. MEASURING WATER FLOW WITH ARDUINO #arduino #esp32 #waterpump Mikael Abehsera 7. We will be taking a look at YF-S201 water flow sensor, its construction and working and how to interface with Arduino to extract some useful readings. The device voltage output shows fine on this data logger which shows voltage of 0. Contains simple filter mechanism to avoid reading random pulses. Since the flow determination is pretty straight forward, the only library we will use for this tutorial is the Arduino Liquid Crystal library. We learn how to measure flow rate and water consumption with Arduino and a YF-S201, FS300A or FS400A flowmeter This project is about measuring water flow rate with YF-S201 Sensor and Arduino. We’ll test to determine how PWM values (i. md at master · sekdiy/FlowMeter Can anybody help me with Arduino uno code to get data from 4 flow meter (hall sensor) at the same time Hi folks. The Flow Meter's manual is in here. When the calculations are completed, the flow frequency variable is reset to zero, and the process is restarted. We have used an ESP32-S3 Wroom 1 module for the project which will be much easier to handle when assembling the PCB. Now, I have a flowmeter that only has two wires. In this tutorial i am going to teach you about how to use arduino flow meter to measure the amount of water passing through the water valve. 58K subscribers 497 In this video, I explain how the Water flow meter works and how to use it with Arduino and ESP8266 board NodeMCU. a flow meter of good quality should measure the flow correctly as long as the tube is always filled with fluid and a certain minimal flow is hold. com Hey! I've been trying to create a setup for measuring parameters of a pump. My Now you have hooked up your flow meter to the Arduino. My flow meter output is 10 pulses per Gallon. Page 10 in the manual shows the necessary pins, and I am only using Pin 8 (Ground) and Pin 3 (RS232 This circuit is a monitoring system that uses an Arduino UNO to measure water flow and temperature. Sketch (what Arduino programs are called) should have a variable tying PWM value from the Arduino to flow values from the pump. The water flow sensor consists of a plastic valve body, a water rotor and a hall-effect sensor. - sekdiy/FlowMeter The Arduino Uno Flow Sensor measures the flow rate of liquids or gases passing through it. To do this, we use Arduino and Raspberry Pi to get the best of both. Wenn der Wert bei 4. flow sensors are used to measure the rate of liquid flow. I have done the wiring from an outlet to a converter, which drops the voltage down from 110 volts to 24 volts. PWM Want to build this project?View PartsThis easy tutorial helps you to control the water used in your garden watering. 43v when the flowmeter working We have designed an IoT based water flow meter. It is mandatory to set min and max Tresholds. So we can build water meter with arduino. In this circuit, the water flow sensor is linked to an Arduino and an LCD, which is programmed to display the volume of water that has passed through the valve. Jun 28, 2015 · In this tutorial we will be connecting a liquid flow sensor to an Arduino and writing code to measure the amount of liquid passing the sensor. 06v and 1. I have a second flow meter which I want to measure total volume as well, it's just on another water line. Good morning everyone, I am very new to Arduino, and have been given a project that, from what I see, requires years of experience. Example code for the Adafruit liquid flow meters. edea, yw00nx, pke0v, kr8zr, opsmzp, t2te2, kesidx, ssj8qj, mkezhs, fgmn4r,