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24G human presence sensor radar module TTL serial communication LD1115H micro-motion detection

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    3347
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    $8.98

Introduction

HLK-LD1115H is a high sensitivity 24GHz millimeter wave human presence detection radar module. The main feature of this module is that on the basis of the function of the traditional human body induction radar, it also has the function of judging the existence of the human body by detecting and accumulating small movements such as human breathing. Therefore, the presence detection within a certain range has higher accuracy and is not easy to miss


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Warmly notes:

Modules can penetrate non-metallic enclosures without openings. Common materials include plastic, glass, wood, ceramic, and more. Especially for human presence detection applications, wall-mounted plastic 86-box panels and ceiling-mounted ceiling buckle enclosures are recommended.


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Specifications

Frequency                                             24G-24.5GHz

Modulation method                             CW

Detection distance                               > 4m static human presence detection, > 16m motion detection

Range                                                   hanging height 3m, static body detection coverage radius 2m, mobile detection radius> 5m

Power supply                                       3.6-5V

Current                                                70mA

Output serial level                               3.3V

Detection cycle                                    adaptive

Antenna half power angle                   horizontal ±57°, vertical ±24° (see the figure below for the definition of antenna horizontal/vertical direction)

Data format                                         Serial port ASCII output/high and low level

Startup time                                        about 15 seconds


Configure

LD1115-3






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