Key Features
- Complete Kit: Includes both the handheld remote and the 3-pin receiver module.
- Simple Interface: The receiver module connects to your microcontroller using just one digital pin.
- Standard Protocol: Most kits use the common NEC protocol, which is supported by excellent Arduino libraries.
- Great Range: Works up to 8 meters away (depending on lighting conditions and battery).
Technical Specifications (Receiver Module)
| Feature | Specification |
| Model | KY-022 (or similar) |
| Operating Voltage | 3.3V – 5V |
| Carrier Frequency | 38kHz |
| Reception Angle | 90° |
| Receiver Chip | VS1838B (or similar) |
How to Use & Wiring
The receiver module has 3 pins. Please note that the pin order can change, so always check the labels on your board.
Common Pinout (Check your board!):
- S (Signal): Connect to a digital input pin on your Arduino (e.g.,
D11). - VCC (+): Connect to 5V or 3.3V.
- GND (-): Connect to GND.











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