LD2410B Smart Human Presence Radar Sensor

The LD2410B 24GHz Smart Human Presence Status Sensing Radar is an advanced motion detection module designed for reliable human presence and motion sensing applications. Based on FMCW (Frequency Modulated Continuous Wave) radar technology operating at 24GHz, this compact sensor module offers superior performance compared to traditional PIR sensors by detecting both moving and stationary human presence. Ideal for hobbyists, makers, and professionals, this module excels in smart home automation, security systems, and intelligent lighting control where accurate occupancy detection is essential.

Key Features:

• 24GHz FMCW radar technology for accurate human presence detection through obstacles and in various lighting conditions.
• Detects both moving and stationary human targets, eliminating false negatives common with PIR sensors.
• Compact form factor with clear labelling (V1.1 marking visible), making integration straightforward.
• Simple UART interface for easy communication with microcontrollers and development boards.
• Onboard power management circuitry for stable operation.
• Low power consumption suitable for battery-powered and always-on applications.
• Adjustable sensing distance and sensitivity parameters via serial commands.
• No privacy concerns as radar technology does not capture images or video.

Features:

• Sensor IC: LD2410B 24GHz FMCW radar module
• Operating frequency: 24GHz ISM band
• Detection range: Configurable up to several metres for human presence
• Detection angle: Wide field of view for room coverage
• Communication interface: UART serial communication
• Supply voltage: Typically 5V (verify marking specifications)
• Output signals: Presence detection status and distance information
• Response time: Fast detection and quick response to presence changes
• Environmental immunity: Works through glass, thin walls, and in complete darkness
• PCB design: Professional layout with clear component placement and solder pads
• Mounting: Through-hole pads for secure installation
• Board marking: "LD2410B/24/V24" and version "V1.1" for identification

Applications

• Smart Home Automation: Intelligent lighting control, automatic appliance activation, and energy-saving presence detection.
• Security Systems: Reliable occupancy detection and intrusion monitoring for residential and commercial spaces.
• Intelligent Lighting: Automatic light switching based on human presence, superior to traditional PIR sensors.
• IoT Projects: Integration with home automation systems and wireless sensor networks for occupancy monitoring.
• Educational Use: Teaching radar principles, sensor integration, and embedded systems development.

Why Choose the LD2410B 24GHz Smart Human Presence Status Sensing Radar? This module represents the next generation of presence detection technology, offering reliability and accuracy that surpasses traditional motion sensors. Its ability to detect stationary humans makes it perfect for applications where continuous presence monitoring is crucial, whilst its compact design and straightforward interface ensure quick integration into your projects. Whether you're building a smart home system or exploring advanced sensing technology, this radar module delivers professional-grade performance at an accessible price point.