LD2410C 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 realises 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.
LD2410C 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 realises 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.
The module has a single digital detection output pin that momentarily pull high when motion and/or presence is detected. This makes the module similar in operation to most PIR or other radar detectors and allows the module to be interfaced to microcontrollers with just 1 input pin.
Out of the box the module will detect both motion and presence at maximum range and sensitivity. However (as well as other parameters), the detection sensitivity over its 5M range can be changed in 0.75m segments via its serial interface and a Windows based software tool.
Please note: If you wish to change the modules default parameters you will need a Windows based computer and a USB to serial TTL adapter such as one of the following:
https://hobbycomponents.com/usb-interfa ... al-adaptor
https://hobbycomponents.com/usb-interfa ... rt-adapter
Product parameters
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 16mmx22mm
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
Pinout
Tx..........Serial output pin used for configuration via Windows software Rx..........Serial input pin used for configuration via Windows software OUT........Detection output pin (high = motion and/or presence detected) GND........Ground VCC........5 to 12V (average current = 80mA at 5V), 5V recommended
Dimensions
Windows Software Config Tool
Arduino Connection Example
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LD2410C 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 realises 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.
