RCWL-0516 Microwave Radar Sensor
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The RCWL-0516 is a Doppler radar-based motion detection module designed as a high-performance alternative to traditional PIR sensors. It operates by emitting low-power microwave signals (~3.2 GHz) and detecting frequency shifts caused by moving objects within its sensing range. This enables reliable motion detection with better penetration capabilities and environmental adaptability compared to infrared sensors.
With a sensing range of approximately 5 to 7 meters and a wide operating voltage range of 4–28 VDC, the RCWL-0516 is suitable for use in home automation, lighting control, intrusion detection systems, and vehicle sensing applications. Its compact size and ease of use make it ideal for integration into various electronic projects, both with or without a microcontroller.
Features:
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Microwave Doppler Radar Technology: Enables motion detection through plastic, glass, and thin non-metallic materials.
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High Sensitivity: Sensing range up to 7 meters.
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TTL Output: 3.3 V HIGH signal upon motion detection, LOW when idle.
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Flexible Power Input: Operates on 4–28 VDC, compatible with a wide range of systems.
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Compact and Lightweight: Easy to integrate into existing electronic systems.
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Penetrating Detection: Unlike PIR sensors, this module can detect through certain materials, increasing installation flexibility.
Specifications:
| Parameter | Specification |
|---|---|
| Model | RCWL-0516 |
| Sensor Type | Microwave Doppler Radar |
| Operating Voltage | 4 to 28 VDC |
| Operating Frequency | ~3.2 GHz |
| Transmit Power | 20 mW (typical), 30 mW (maximum) |
| Output Voltage (OUT Pin) | 3.3 V (HIGH) / 0 V (LOW) |
| Detection Range | 5 to 7 meters (environment-dependent) |
| Output Delay Time | 2 to 3 seconds (after motion detected) |
| Regulated Output | 3.3 V (max. 100 mA) |
| Module Dimensions | Compact PCB module (varies by vendor) |
Pinout Configuration
| Pin | Description |
|---|---|
| CDS | Sensor disable control input (LOW = disable) |
| VIN | Power supply input (4–28 VDC) |
| OUT | Motion detection output (HIGH = motion) |
| GND | Ground (0 V) |
| 3V3 | 3.3 V regulated output (max 100 mA) |
Operating Notes:
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Keep at least 1 cm of clear space in front and behind the module for optimal performance.
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Avoid placing metal objects directly in front of the sensor, as they can interfere with signal transmission and detection accuracy.
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This module can detect motion through glass, thin plastic, and wood, offering more installation flexibility than PIR sensors.
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Designed for detecting moving objects only, and may not detect static presence.
Applications:
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Smart lighting automation
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Intrusion and presence detection systems
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Vehicle movement sensing
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IoT and home automation projects
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Traffic monitoring (under normal weather conditions)
Included in Package:
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1 x RCWL-0516 Microwave Radar Motion Sensor Module (with onboard diode)
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General Questions
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What is the latest price of the RCWL-0516 Microwave Radar Sensor in Bangladesh?
The latest price of RCWL-0516 Microwave Radar Sensor in Bangladesh is BDT 150.00 . You can buy the RCWL-0516 Microwave Radar Sensor at the best price on BDTronics.com or contact us via phone.
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Where to buy RCWL-0516 Microwave Radar Sensor in Bangladesh?
You can buy RCWL-0516 Microwave Radar Sensor online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.
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What are the delivery options of RCWL-0516 Microwave Radar Sensor in Bangladesh?
We provide home delivery service all over Bangladesh. We support cash on delivery, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-3 days outside Dhaka.