YF-2103 Water Flow Sensor - 0.1-1.5L - Straight

With this sensor you can easily measure the flow of liquids (water). The water connections are suitable for a 6mm hose: Hose 6mm

Pinout:

• Red: Vcc/plus (supply voltage)
• Black: GND/min
• Yellow: Signal

See the following page for a tutorial with a similar sensor: How to Use Water Flow Sensor - Arduino Tutorial

Modify the following part of code around line 17:

float calibrationFactor = 4.5;

To:

float calibrationFactor = 70.0;

Note: We cannot give any warranty if this product is used with any liquid other than clean drinking water.

Note: The liquid can only flow in one direction, this is indicated by an arrow.