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The RCWL-0516 is not just another motion sensor; it's a massive leap forward for DIY electronics, IoT projects, and smart home automation. By leveraging Doppler radar principles, this microwave induction module detects the movement of objects by transmitting and receiving high-frequency microwave signals. Whether you are building an automated lighting system or a custom anti-theft alarm, this module provides highly sensitive, 360-degree detection that traditional sensors simply cannot match.
If you have ever been frustrated by PIR (Passive Infrared) sensors failing to trigger or requiring a direct line of sight, the RCWL-0516 is your solution. This microwave sensor has penetrating detection capabilities. It can accurately detect human presence and movement through non-metallic barriers such as wood, thin walls, glass, and plastic enclosures. This means you can easily hide the sensor inside a customized 3D-printed case, behind a ceiling panel, or within a light fixture without sacrificing performance.
Built around the dedicated RCWL-9196 signal processing chip, this module guarantees consistent performance with a wide operating voltage of 4.0V to 28.0V. It also conveniently outputs a stable 3.3V (up to 100mA), which is perfect for directly powering small external components or logic levels on 3.3V development boards.
The RCWL-0516 offers adjustable parameters for advanced users. By adding specific external resistors and capacitors to the board (C-TM, R-GN, R-CDS), you can easily customize the repeat trigger time, adjust the detection distance, or integrate a photoresistor (LDR) to ensure the sensor only activates your lighting projects during the night.
Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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