Arduino Water Meter Pulse

In some cases newer water meters are equipped with a pulse output.

Arduino water meter pulse.

For the a100c meter each pulse represents a 1000th of a kwhr of 1whr of energy passing through the meter. However if you have an older power meter without a pulse output then you might be able to use one of the options below to sense your water consumption. This is used to read the pulses coming from the flow meter. Uploading code to arduino and measuring.

In this project we will interface yfs201 hall effect water flow sensor with arduino for measuring flow rate and volume of water or any other liquid 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. When the arduino detects the pulse it immediately triggers the pulse counter function. The code uses an external interrupt on the arduino s digital pin 2. I will explain about it during code explanation.

This is used to read the pulses coming from the flow meter. In the above circuit i attached the pulse output pin of flow sensor to arduino digital pin 3. Upload the flow meter code to your arduino. This function then counts the total.

Digital pin 3 of arduino is configured as interrupt pin. I bought it in 6 dollars. Water flow meter which i used in the project is from aliexpress. Uploading the flow meter code to the arduino and measuring water flow rate.

Upload the water flow meter code to the arduino. Use the tcrt5000 ir barrier line track sensor. Calculating power 3600 seconds per hour 3600j per pulse ie. When the arduino detects the pulse it immediately triggers the pulsecounter function.

Flow sensor is powered with an external 9 volt battery. The code uses an external interrupt on the arduino s digital pin 2. 1 whr 3600j therefore instantaneous power p 3600 t where t is the time between the falling edge of each pulse.