Theย LD2410C from High-Linkย solves the fundamental limitation of PIR sensors by detectingย both stationary and moving humansย up to 6 meters away. Usingย 24 GHz FMCW radar technology, this sensor identifies when someone is sitting, sleeping, or working โ not just walking by.
Key breakthrough: While PIR sensors only trigger on movement, the LD2410 provides continuous occupancy detection with 0.57-meter resolution and ยฑ60ยฐ coverage, making it ideal for smart home automation, security systems, and energy management applications where knowing if someone is actually present โ not just moving โ is critical.
Ready to integrate: With UART communication, Bluetooth connectivity, and dedicated configuration tools, the LD2410 easily connects to ESP32, Arduino, and other microcontrollers for immediate deployment in next-generation presence detection systems.
Parameter
Specification
Units
Notes
Detection Performance
Detection Range
Up to 6
meters
Both stationary and moving targets
Detection Resolution
0.57
meters
Precise distance measurement
Angular Coverage
ยฑ60
degrees
Horizontal detection field
Detection Capability
Stationary + Moving
–
Superior to PIR motion-only detection
Target Types
Human presence
–
Optimized for human detection
Radar Specifications
Operating Frequency
24
GHz
FMCW radar technology
Radar Technology
FMCW
–
Frequency Modulated Continuous Wave
Sensitivity
Adjustable
–
Zone-specific configuration
Energy Level Detection
Yes
–
Signal intensity measurement
Electrical Specifications
Power Supply Voltage
5
V
Standard supply voltage
Average Current Consumption
79
mA
Low power operation
Communication Protocol
UART
–
Serial communication interface
Baud Rate
2560
bps
Standard communication speed
Connectivity Features
Bluetooth Low Energy
Yes (LD2410C)
–
Wireless configuration capability
Wi-Fi Support
Variant dependent
–
Not all variants support Wi-Fi
GPIO Pins
Available
–
Direct control without microcontroller
Configuration & Tools
PC Configuration Tool
LD2410 Tool
–
Graphical zone configuration
Web Configurator
Available
–
Browser-based configuration
Mobile App
Available
–
Mobile device configuration
Zone-Specific Settings
Yes
–
Individual sensitivity adjustment
Advantages Over PIR Sensors
Stationary Detection
Yes
–
PIR sensors cannot detect stationary objects
False Alarm Reduction
Improved
–
Better accuracy than PIR
Human vs Object Discrimination
Enhanced
–
More precise than PIR motion detection
Environmental Immunity
Superior
–
Less affected by temperature changes
Integration Capabilities
Microcontroller Compatibility
ESP32, Arduino, etc.
–
Easy interfacing with development boards
Dedicated Library
Available
–
Simplified programming interface
Display Integration
OLED compatible
–
Real-time status display
LED Indicators
Configurable
–
Visual feedback system
Comprehensive Use Cases & Applications
๐ Smart Home Automation
Application
Use Case
Benefits
Intelligent Lighting Control
Automatically turn lights on/off based on room occupancy
Detects stationary people (reading, sleeping) unlike PIR sensors
HVAC Optimization
Adjust temperature only when rooms are occupied
Saves energy by detecting actual presence, not just movement
Smart Security Systems
Trigger alarms for unauthorized presence
Reduces false alarms from pets or moving objects
Occupancy-Based Automation
Control fans, air purifiers, music systems
Maintains comfort for stationary occupants
Bedroom Monitoring
Detect sleeping presence for sleep tracking
Works even when person is completely still
Kitchen Safety
Monitor stove/oven area for presence
Ensures safety alerts when cooking equipment is active
๐ข Commercial & Office Applications
Application
Use Case
Benefits
Conference Room Management
Automatically book/release rooms based on actual occupancy
Prevents ghost bookings and optimizes space utilization
Energy Management Systems
Control lighting and HVAC in office spaces
Significant energy savings compared to time-based systems
Workspace Analytics
Track desk utilization and space usage patterns
Data-driven decisions for office layout optimization
Access Control Enhancement
Complement card readers with presence detection
Detect tailgating and unauthorized access
Restroom Management
Monitor occupancy for cleaning schedules
Optimize maintenance based on actual usage
Elevator Control
Detect waiting passengers and adjust service
Improve efficiency and reduce wait times
๐ฅ Healthcare & Medical Applications
Application
Use Case
Benefits
Patient Monitoring
Detect patient presence in beds or chairs
Monitor elderly patients for falls or unusual absence
Medication Compliance
Verify patient presence during medication time
Ensure medications are taken as prescribed
Emergency Response
Detect falls or medical emergencies
Immediate alert when patient movement patterns change
Therapy Room Management
Monitor therapy sessions and equipment usage
Ensure proper utilization of medical facilities
Dementia Care
Track wandering behavior in care facilities
Prevent patients from leaving safe areas unnoticed
Sleep Study Enhancement
Monitor sleep patterns without contact
Non-invasive sleep monitoring for research
๐ญ Industrial & Manufacturing Applications
Application
Use Case
Benefits
Worker Safety Monitoring
Detect personnel in hazardous areas
Prevent accidents by monitoring restricted zones
Equipment Access Control
Ensure operators are present before machine operation
Reduce workplace accidents and equipment damage
Warehouse Management
Track personnel movement in storage areas
Optimize workflow and prevent unauthorized access
Quality Control Stations
Monitor operator presence at inspection points
Ensure quality procedures are followed
Break Area Management
Control lighting and amenities in rest areas
Energy savings and improved worker comfort
Forklift Safety Systems
Detect pedestrians near moving equipment
Prevent accidents in busy warehouse environments
๐ช Retail & Hospitality Applications
Application
Use Case
Benefits
Customer Analytics
Track customer dwell time and movement patterns
Optimize store layout and product placement
Automated Store Systems
Control lighting and music based on customer presence
Enhanced shopping experience and energy savings
Queue Management
Detect waiting customers and adjust service
Improve customer satisfaction and reduce wait times
Hotel Room Automation
Control room systems based on guest presence
Personalized comfort and energy efficiency
Restaurant Table Management
Monitor table occupancy for efficient seating
Optimize table turnover and service efficiency
Theft Prevention
Detect loitering or suspicious behavior
Enhanced security compared to traditional motion sensors
๐ Automotive & Transportation Applications
Application
Use Case
Benefits
Vehicle Occupancy Detection
Detect passengers in autonomous vehicles
Ensure safety and proper vehicle operation
Parking Management
Monitor parking space occupancy
Real-time parking availability for smart cities
Driver Monitoring
Detect driver presence and alertness
Safety enhancement for commercial vehicles
Public Transit Analytics
Monitor passenger flow and occupancy
Optimize routes and schedules
Toll Booth Management
Detect vehicle occupancy for HOV lanes
Automated enforcement and traffic management
Emergency Vehicle Systems
Detect personnel in ambulances or fire trucks
Ensure safety protocols during emergency responses
๐ซ Educational Applications
Application
Use Case
Benefits
Classroom Management
Automatic attendance and occupancy tracking
Streamlined administrative processes
Library Space Optimization
Monitor study area usage and availability
Efficient space utilization and student services
Laboratory Safety
Detect unauthorized access to lab equipment
Enhanced safety and equipment protection
Exam Room Monitoring
Ensure proper supervision during examinations
Maintain academic integrity
Energy Conservation
Control classroom lighting and climate
Significant energy savings in educational facilities
Student Behavior Analytics
Monitor engagement and attention patterns
Improve teaching methods and learning outcomes
๐ Specialized Applications
Application
Use Case
Benefits
Elderly Care Monitoring
24/7 presence monitoring for seniors
Non-invasive safety monitoring at home
Pet Monitoring Systems
Track pet presence and activity
Pet safety and behavior monitoring
Greenhouse Automation
Detect workers for equipment safety
Prevent accidents with automated systems
Art Gallery Security
Monitor visitor presence near valuable items
Enhanced security without intrusive cameras
Server Room Management
Detect unauthorized personnel access
Critical infrastructure protection
Clean Room Monitoring
Track personnel in contamination-sensitive areas
Maintain sterile environments
Key Performance Highlights
๐ฏ Superior Detection Capability
Stationary + Moving detectionย atย 6-meter range
0.57-meter resolutionย withย ยฑ60ยฐ coverage
Adjustable sensitivityย for zone-specific optimization
๐ก Advanced Radar Technology
24 GHz FMCW radarย withย energy level detection
79 mA low power consumptionย atย 5V supply
UART communicationย atย 2560 baud rate
๐ง Configuration Flexibility
PC tool, web configurator, and mobile appย support
Zone-specific sensitivity adjustment
Bluetooth Low Energyย connectivity (LD2410C variant)
๐ Smart Integration
ESP32/Arduino compatibleย withย dedicated library
GPIO pinsย for standalone operation
OLED displayย andย LED indicatorย support
โก PIR Sensor Advantages
Detects stationary occupantsย (sitting, sleeping)
Reduced false alarmsย compared to PIR
Human vs object discrimination
Environmental immunityย to temperature changes
This comprehensive specification and application guide demonstrates why the LD2410 represents a revolutionary advancement over traditional PIR sensors across multiple industries and use cases, making it the ideal choice for next-generation presence detection systems.
LD2410 mmWave Human Presence Detection Sensor with ESP32 by @HowtoElectronics
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