2 Pcs Rain Water Sensor Rainwater Module Rain Moisture Detection Module 3.3V-5V

Specification:

Description:

• Connect the 5V power supply, power indicator light, sensor board does not drop when, DO output is high, the switch lights off, dripping a drop of water, DO output is low, the switch indicator light,
•  Brush above water droplets, has returned to the output high state. . . .
• AO analog output can be connected to the microcontroller detects AD mouth drops of rain in the above size.
• DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain.