Description
Hi-Link HLK-LD2410 Human Presence Radar Sensor 24GHz
LD2410 is a high-sensitivity 24GHz human presence status sensing module developed by Hi-link. Its working principle is to use FMCW frequency-modulated continuous waves to detect human targets in the set space. Combined with radar signal processing and precise human body sensing algorithms, it realizes high-sensitivity human presence status sensing, and can identify human bodies in motion and stationary states. And auxiliary information such as the distance of the target can be calculated.
This product is mainly used in indoor scenes to sense whether there is a moving or micro-moving human body in the area, and output the detection results in real time. The farthest sensing distance can reach 5 meters, and the distance resolution is 0.75m. Provides a visual configuration tool, which can easily configure the sensing distance range, sensing sensitivity in different intervals and unmanned delay time, etc., to adapt to different specific application needs.

Features:
- Plug and play, easy assembly
- Large detection angle, coverage up to ±60 degrees
- Accurate identification within the interval, supports division of the sensing range
- Multi-level intelligent parameter adjustment via Bluetooth or serial port
- Visual debugging and configuration tools
- Compact size, minimum dimensions of 7mm x 35mm
- Supports various installation methods
- Wide voltage power supply (5-12V)
- Cost-effective
Specifications:
| Parameter | Value |
|---|---|
| Working Principle | FMCW Radar |
| Sensing Range | Up to 6 meters |
| Distance Resolution | 0.75m |
| Sensing Angle | ±60 degrees |
| Operating Voltage | 5-12V |
| Size | 7mm x 35mm |
| Communication Interfaces | GPIO, UART |
| Operating Frequency | 24GHz (ISM Band) |
| Environmental Adaptability | Unaffected by temperature, brightness, humidity, and light fluctuations |
| Installation Methods | Ceiling hanging, wall hanging |
| Compliance | FCC and CE spectrum regulations |
Applications:
- Human body sensor light control
- Human body induction wake-up of advertising screens and other equipment
- Life safety protection, including UV lamp work protection
- Automatic detection and alarm of dangerous places
- Smart home appliances for energy-saving purposes
- Intelligent security, including intrusion detection and identification
Wiring Diagram:






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