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Malaysia.
FR-04 Rain Sensor Raindrop Module
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Key Material Characteristics
Common Sensor Applications
Technical Specifications (Typical)
- Double-Sided Design: The sensor utilizes both sides of the FR-04 board to maximize the detection area, typically measuring 5.0 x 4.0 cm.
- Nickel-Plated Surface: The conductive tracks are treated with nickel plating to provide superior oxidation resistance, improved electrical conductivity, and a longer operational lifespan compared to bare copper.
- Durability: The material is chosen for its anti-rust properties and mechanical stability in outdoor weather conditions.
Common Sensor Applications
This material is most frequently found in Raindrop Detection Modules (often paired with an LM393 comparator) used in:
- Smart Agriculture: Monitoring rainfall for automated irrigation.
- Home Automation: Closing motorized windows or retracting awnings when rain is detected.
- Weather Stations: Providing real-time moisture data to microcontrollers like Arduino or Raspberry Pi
Technical Specifications (Typical)
| Feature | Specification |
|---|---|
| Material | FR-04 High-quality double-sided |
| Surface Treatment | Nickel Plating |
| Sensor Area | 5.0 cm x 4.0 cm |
| Working Voltage | 3.3V – 5V |
| Output Type | Dual (Digital DO / Analog AO) |
| Drive Capacity | >15mA (Signal); ~100mA (Direct relay) |