YF-S201 Water Flow Sensor can be used to measure the flow of liquids in both industrial and domestic applications. This sensor basically consists of a plastic valve body, a rotor and a hall effect sensor. The pinwheel rotor rotates when water / liquid flows through the valve and its speed will be directly proportional to the flow rate. The hall effect sensor will provide an electrical pulse with every revolution of the pinwheel rotor. This water flow sensor module can be easily interfaced with Microcontrollers, Arduino Boards and Raspberry Pi. Connect the PWM output of this module to interrupt pin of microcontroller unit and count the number of pulses / interrupt per unit time. The rate of water flow will be directly proportional to the number of pulses counted.
Note : Color may vary depending on the availability.
Model : YF-S201
Operating Voltage : 5V ~ 24V DC
Min. Working Voltage : 4.5V DC
Sensor Type : Hall Effect
Current Requirement : 15mA @ 5V
Operating Temperature Range : -25°C ~ 80°C
Operating Humidity Range : 35% ~ 90% RH
Water Pressure : ≤ 1.75MPa
Flow Rate : 1 – 30 L/min
Cable Length : 15cm
Connection Thread : 1/2″
RED – Power Input
BLACK – Ground
YELLOW – PWM Output Signal