Description
Product Overview
Introducing the LD2420 Radar Module Human Motion Sensor Module, a cutting‑edge 24 GHz radar sensor designed for ultra‑low power consumption and intelligent motion detection. Equipped with a 5‑pin GPIO UART interface, this module delivers precise human motion sensing for smart home, security, and industrial automation applications.
Key Features
- 24 GHz frequency band for high‑resolution motion detection
- Ultra‑low power mode – ideal for battery‑powered IoT devices
- Smart sensor algorithm with automatic target recognition and false‑alarm suppression
- 5‑pin GPIO UART interface for seamless serial communication
- Compact 5 mm × 5 mm footprint, perfect for space‑constrained designs
- Operating temperature range: –40 °C to +85 °C
- Ready‑to‑use firmware with easy configuration via UART commands
Technical Specifications
- Frequency: 24 GHz
- Power Consumption: < 50 mW (standby), < 100 mW (active)
- Interface: 5‑pin GPIO UART (TX, RX, GND, VCC, INT)
- Detection Range: Up to 3 m (human target)
- Field of View: 120° horizontal × 90° vertical
- Operating Voltage: 3.3 V
- Dimensions: 5 mm × 5 mm × 2.5 mm
- Package: QFN-8
Applications
The LD2420 Radar Module is ideal for:
- Smart home automation – motion‑activated lighting, HVAC control
- Security systems – intrusion detection, perimeter monitoring
- Industrial automation – occupancy detection, safety interlocks
- Healthcare – patient monitoring, fall detection
- Robotics – obstacle avoidance, human‑robot interaction
Why Choose LD2420?
With its low‑power design, robust 24 GHz radar technology, and easy UART integration, the LD2420 delivers reliable motion sensing in a compact package. Whether you’re building a next‑generation smart home hub or a safety‑critical industrial controller, this module offers the performance and flexibility you need.
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