YF-S201 G1/2" Water Flow Sensor – Hall Effect Flowmeter

G1/2" water flow sensor with Hall effect output
Detects water flow rate from 1–30 L/min
Outputs pulse signal proportional to flow rate
Operating voltage: 5V–18V DC
Ideal for Arduino, ESP32, Raspberry Pi, and microcontroller projects
Perfect for liquid monitoring, automatic water control, smart irrigation, and IoT systems
Durable nylon glass fiber housing with 1/2-inch threaded connectors

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