Hi-Link HLK-LD012 5.8GHz Motion Detection Radar Sensor - 3.3V Ultra-Low Power
The Hi-Link HLK-LD012 is a 5.8GHz microwave radar motion sensor module offering ultra-low power consumption (~68 µA) for battery-powered IoT and smart devices. Operating at 3.3V, it provides a digital switching output for easy integration with microcontrollers like ESP32, Arduino, and Raspberry Pi for human presence detection.
Features
- Ultra-Low Power Consumption: ~68 µA operating current for extended battery life in solar and wireless applications.
- 5.8GHz Microwave Radar Technology: Detects motion through materials with high sensitivity and consistency.
- Compact 20mm x 20mm Module: Fully integrated planar antenna, microwave circuit, and signal processor.
- Configurable Sensing Range: Distance sensitivity can be adjusted via the P2 pin across 16 selectable levels.
- Digital Switching Output: Provides a clean 3.3V logic signal (High: ~2.2V, Low: 0V) for direct MCU interfacing.
Out of stock
The HLK-LD012 is a highly integrated, low-power Doppler radar sensor operating at the 5.8GHz ISM band. It utilizes microwave reflection principles to detect the movement of objects, particularly the human body, within an adjustable range of up to 8-10 meters. The module integrates the RF front-end, intermediate frequency amplification, and digital signal processing on a single compact PCB, ensuring reliable performance and production consistency.
Designed for always-on, battery-powered scenarios, its microampere-level current draw makes it ideal for solar lighting, wireless security cameras, and smart home occupancy sensing. The digital output signal simplifies integration, eliminating the need for complex analog signal conditioning. Its small planar antenna design minimizes the overall footprint while maintaining effective detection performance.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 10 × 2 × 7 cm |
