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Raindrop Sensor Module

The item is for robot kit, raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the AO output.

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;

The output in the form: digital switching outputs (0 and 1) and analog AO voltage output.

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

Sensitivity can be adjusted via potentiometer LED lights up when there is no rain output is high, raindrop up, the output ground level, LED light.


  • Distribution bit to adjust sensitivity
  • A fixed bolt hole for easy installation
  • Power indicator, the output signal LED indicator
  • The comparator output, the signal is clean, waveform, driving ability over 15mA
  • Wide voltage LM393 comparator
  • A large area of ??rain board, more conducive to detect rain
  • Board with positioning holes to facilitate installation
  • Raindrops and control panels are separate, easy to wire leads


  • Heating Voltage: 3-5±0.2V (DC)
  • Analog Output: 0-5V
  • Operating Current: <3mA
  • Response time: <100ms
  • Detection area: <48mm
  • Size:
    • Module (37mm × 13mm ×12mm)
    • Probe (50mm × 50mm × 10mm)
  • Operating temperature: 0°C ~ 60°C (Nominal 20°C)


  • 1 x Raindrop Sensor Module
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