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Rain Water Drop Sensor
$0.60
- Description
- Additional information
- Reviews (1)
- Product Enquiry
Description
- Voltage: 5V
- Have power indicator, output signal LED indicator.
- TTL-level output, TTL output valid signal is low, drive capacity at 100MA, can directly drive relays, buzzer, a small fan, and so on.
- Sensitivity adjustable via potentiometer
- The output is high LED light up when no rain, and vice verse.
- Raindrops board and the control panel is separate, convenient line leads.
- A large area of raindrops board, more conducive to rain detected.
- Board with positioning holes to facilitate installation
- Control panel board size: 3 * 1.6 MM
- The raindrop detection plate large area 5.4 * 4.0 MM
Usage
- Connected to 5V power supply power lights,
- When no water droplets, DO output is high and the switch indicator lights off,
- dropping on a drop of water, DO output is low, the switch indicator lights on,
- Brush off the the above water droplets, has returned to output to high state.
- AO analog output can be connected to the MCU AD port to detect the size of the drops in the above rainfall.
- DO TTL digital outputs can also be connected to the MCU detects whether there is rain.
- 开关指示 = Switch Indicator
- 电源指示 = Power Indicator
Additional information
| Weight | 0.015 kg |
|---|
quecg2 (verified owner) –
I tried it, it works really good (it works as a variable resistor).
I don’t know if I’ll use it for some of my projects but it is a really funny sensor to play with.