Next we connected the water flow sensor’s output to the Arduino board (filled with the sketch) and allowed water flow through the water flow sensor at a steady rate of about 1 Litre/minute. Besides ...

And how will you power your Arduino? 4-20mA loops often power the sensor. Report comment. Reply. Andy says: July 20, 2017 at 7:31 am ... Many sensors are “loop powered”.

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...