Connect the VCC (Red) and GND (Black) wires of the water flow Sensor to the 5v and Gnd of Arduino, and link Pulse Output (Yellow) wire of the water flow sensor to Arduino’s digital pin 2. Note that ...

Using an Arduino, flow sensor, and colored LEDs, ... Reduce Water Use with this DIY Water Flow Sensor. Patrick Allan June 12, 2014 Comments. Patrick Allan. If you're ...

Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a. ... This can be useful when you want to empty ...