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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Name | Rain Sensor Module (Raindrop Detection Sensor) |
| Sensor Type | Analog and Digital Rain Detection Sensor |
| Description | Detects raindrops using a conductive plate; outputs analog and digital signals for monitoring |
| Detection Surface | FR-04 double-sided board with nickel plating (corrosion-resistant, high conductivity) |
| Output Type | Digital (DO) and Analog (AO) |
| Digital Output | TTL level (0 and 1); LOW when rain detected |
| Analog Output | Variable voltage proportional to water level |
| Operating Voltage | 3.3 V – 5 V |
| Comparator | LM393 with adjustable sensitivity via potentiometer |
| Driving Capability | Up to ~100 mA (can drive relay, buzzer, small fan) |
| Indicator LEDs | Power indicator and output signal indicator |
| Sensitivity Control | Adjustable via onboard potentiometer |
| Board Size | Control board: 3.2 cm × 1.4 cm |
| Rain Plate Size | Approx. 5.0 cm × 4.0 cm |
| Mounting | PCB with positioning holes for easy installation |
| Applications | Rain detection, weather monitoring, smart irrigation, robotics |
| How It Works | No rain → DO HIGH; Rain detected → DO LOW; AO varies with water amount |
| Connection Pins | VCC (3–5V), GND, DO (digital output), AO (analog output) |
| Features | High sensitivity, corrosion-resistant, easy wiring, separate probe and control board |
Package Includes:
- 1 x Rain sensing board
- 1 x Control board
- 5 x 20cm Dupont Line
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