เซนเซอร์น้ำฝน ความชื้น วัดระดับน้ำ rain/water detection sensor module
Specification:
• Voltage: 5V
• Power indicator light the output signal LED indicating lamp.
• TTL level output TTL output signal for low level drive capacity of around 100MA can directly drive the relay a buzzer a small fan etc.
• Sensitivity adjustment via
potentiometer
• Control panel board size: 3*1.6 mm
• A large area of raindrop detection board: 5.4*4.0 mm