Hi-Link HLK-LD2420 Manuale d'uso - Pagina 3
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1.product introduction
HLK-LD2420It is a high-performance24GHzA radar module with a send-and-receive antenna. Its human body sensing algorithm uses millimeter wave
Radar distance measurement technology andS3The advanced proprietary signal processing technology of the series chips realizes the precise perception of motion, micro-movement and standing human body.
HLK-LD2420It is mainly used to detect whether there is a moving or slightly moving human body in the indoor scene perception area, and refresh the detection results in real time. it's right
The farthest sensing distance of moving human body is8 meters, can easily configure the sensing distance range, sensing sensitivity and refresh time in different intervals, support
GPIOsandUARTInterface, plug and play, flexibly applied to different intelligent scenarios and terminal products.
1.1.main features
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Equipped with a single-chip smart millimeter wave sensorSoCand smart algorithm firmware
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Ultra-small module size:20 mmx20 mm
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Load the default human sensor configuration, plug and play
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24 GHz ISMfrequency band, throughFCC,CE, No committee spectrum regulation certification
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3.3Vpower supply, support3.0V ~ 3.6Vwide voltage range
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Average working current50 mA
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The detection target is movement and micro-movement of the human body
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Real-time reporting of detection results
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Provides visualization tools to support the configuration of detection distance intervals, setting sensitivity and result reporting time between partitions
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Support the division of sensing range, completely shield any interference outside the range
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close range0.2mInduction, no detection blind zone
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The furthest distance of motion human body induction8 meters
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The detection angle is large, and the coverage reaches ±60°
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Support various installation methods such as ceiling hanging and wall hanging
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Independent configuration of trigger and hold state, strong anti-interference ability
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user manual