Raindrops Rain Detection Sensor Module Weather Humidity COD

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2. The sensor uses the FR-04 high-quality double-sided materials, King Size 5.0 * 4.0CM, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity;

4. TTL-level output, TTL output valid signal is low. Driving capability 100MA so, can directly drive relays, buzzer, a small fan, and so on.

6. LED lights up when there is no rain output is high, raindrop up, the output ground level, LED light.

Specification:

Small board PCB size: 3.2cm x 1.4cm

Voltage: 5V

Features:

2. A fixed bolt hole for easy installation

4. The comparator output, the signal is clean, waveform, driving ability over 15mA

6. A large area of rain board, more conducive to detect rain

8. Raindrops and control panels are separate, easy to wire leads



1. Connected to 5V power supply, the power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch, Brush off the the above water droplets, has returned to output high state.

3. DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain.

Connection mode:

2. GND: negative one.

4. AO: Analog signal output

Package include:

1x Control board