HLK-LD2410
1. Product introduction
HLK-LD2410 is a high-sensitivity 24GHz human presence status sensing module developed by Hilink Electronics. Its working principle is to use FMCW frequency-modulated continuous wave, to detect human targets in the set space, combined with radar signal processing, accurate human body induction algorithm, to achieve high sensitive human presence status sensing, which can identify the human body in motion and stationary state, and can calculate auxiliary information such as the distance to the target.
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. Farthest sensing distance up to 6 meters, distance resolution 0.75m. Provides a visual configuration tool, which can easily configure the sensing distance range and sensing in different intervals sensitivity and unmanned delay time, etc., to adapt to different specific application needs.
Support GPIO and UART output, plug and play, and can be flexibly applied to different smart scenarios and terminal products.
2. Product Features and Benefits
2.1 Features
Plug and play, easy assembly
The longest sensing distance is up to 5 meters
Large detection angle, coverage up to ±60 degrees
Accurate identification within the interval, support the division of the sensing range, and shield the interference outside the interval
Multi-level intelligent parameter adjustment to meet the needs of scene changes
Visual debugging and configuration tools
Small and simplified, the minimum size is only 7mmx35mm
Supports various installation methods such as ceiling hanging and wall hanging
24GHz ISM band, compliant with FCC and CE spectrum regulations
5～12V wide voltage power supply
The ultimate cost-effective choice
2.2 Benefits
LD2410 human body sensing module adopts 24GHz millimeter wave radar sensor technology. Compared with other solutions, it has obvious advantages in human body sensing applications:
1. In addition to being sensitive to moving human bodies, it can also sensitively sense static, micro-moving, sitting and lying human bodies that cannot be identified by traditional solutions;
2. It has good environmental adaptability, and the sensing effect is not affected by the surrounding environment such as temperature, brightness, humidity and light fluctuations;
3. It has good shell penetration and can be hidden in the shell to work without opening holes on the surface of the product, which improves the aesthetics of the product;
4. It can flexibly configure the farthest sensing distance and the sensitivity on each distance door to achieve flexible and fine personalized configuration.
3. Application scenarios
The LD2410 human body sensing module can detect and identify the human body in motion, fretting, standing, sitting and lying down. It supports multi-level parameter adjustment and can be widely used in various scenarios of AIoT. The common types are as follows
Human body sensor light control
It senses whether there is someone in the space, and automatically controls lights, such as lighting equipment in public places, various sensor lights, bulb lights, etc.
Human body induction wake-up of advertising screen and other equipment
Automatically turn on when people come, and automatically sleep when no one comes to save power, information delivery is more accurate and efficient
Life safety protection
UV lamp work protection, to prevent the UV lamp from being turned on when there are people around and causing personal injury
Automatic detection and alarm of dangerous places to prevent people from entering specific high-risk spaces, such as high-risk places entered by personnel from coal mine blasting
Smart home appliances
When there is no one in the room for a long time, the TV, air conditioner and other electrical appliances are automatically turned off, saving energy and safety
Intelligent security
Detection and identification of people intruding, staying, etc. within the specified range
4. Hardware Description
4.1 Features
Module size: 7mmx35mm, 5 pin holes are reserved in the hardware (the factory default does not match the pins)
The pin hole diameter is 0.6mm, and the pin spacing is 1.27mm.
4.2 Pin definition
LD2450
1. Product introduction
Motion target tracking is to track the position of the moving target in the region in real time, and realize the distance, angle and speed measurement of the moving target in the region.The LD2450 is a motion target tracking sensor module from the Hilink 24G millimetre wave radar series, which includes extremely simplified 24 GHz radar sensor hardware and intelligent algorithm firmware. The solution is mainly used in general indoor scenarios such as homes, offices and hotels to enable the location tracking of moving human bodies.The sensor hardware consists of an AloT millimetre wave radar chip, a high performance one-transmitter-two-receiver microstrip antenna and a low cost MCU and peripheral auxiliary circuitry. The intelligent algorithm firmware uses FMCW waveforms and the radar chip's proprietary advanced signal processing technology.
It supports serial output of detection data, which is plug-and-play and can be flexibly applied to different smart scenarios and end products.
2. Product Features
24 GHz ISM band
Integrated intelligent millimeter wave radar chip and intelligent algorithm firmware
Precise motion target localization and tracking
Longest detection range 6m
Ultra-small module size: 15mm x 44mm
Wall mounting
Azimuth angle ±60°, pitch angle ±35°
The ultimate cost-effective choice
Multiple connection options with pin and socket interface
3. Solution advantages
LD2450 human body sensing module adopts 24GHz millimeter wave radar sensor technology, compared with other programs, has obvious advantages in human body sensing applications:1. In addition to sensitive sensing of the movement of the human body, for the traditional program can not identify the micro-movement of the human body can also be sensitive to sense;2. Good environmental adaptability, the induction effect is not affected by the surrounding environment such as temperature, brightness, humidity and light fluctuations;3. Good shell penetration, can be hidden inside the shell work, no need to open holes in the product surface, improve the product aesthetics;
4. Application scenarios
The LD2450 motion target tracking sensor can accurately locate and track targets and is widely used in various AloT scenarios, covering the following types:Smart HomeSensing the distance and angle of the human body, reporting the detection results for the main control module to intelligently control the operation of air conditioners, fans and other home appliances.Smart BusinessPosition sensing, within the set position interval to identify the human body approaching or moving away, timely lighting or closing the screen.BathroomSmart toilet accurately controls the automatic opening and closing of the toilet lid.Smart LightingIdentify and sense the human body, precise position detection, can be used in home lighting devices (sensor lamps, desk lamps, etc.).
5. Hardware description
The module provides two kinds of external interfaces, socket and pin, both of which have a serial port and a power supply port, so users can choose to use either of them as needed.
The dimensions of the pin interface are shown below:
Socket interface dimensions are shown below:
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