Raspberry pi based liquid flow monitoring and control

Project Objective

To design and develop a Liquid flow monitoring and control system using IoT.


Level: Champ

This Project is to learn about the interrupt, which this project is based on water flow measurement using Flow sensor, which is a pulse type of sensor, contains wheel inside the sensor, rotates on the flow of water, so that by counting the number of revolution of flow wheel we can able to measure the flow speed of the water. Here we interfaced the flow sensor with Raspberry Pi, which the reading obtaining is in the form of a pulse as an interrupt. So that count of the pulse gets increased based on the pulse, so if the count is large, it is identified that flow speed is faster. If it is less count, it is assumed that revolution is slow because the water flow is slow on passing across the flow sensor.



  1. Flow Meter
  2. Connections
  3. Program
  4. Output
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Connection Diagram

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