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JESSINIE HLK-LD1115H-24G Human Presence Radar Module 15M LD1115H Human Presence Sensor Micro-Motion Detection Mobile Induction Radar Module CW TTL Serial Communication
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JESSINIE HLK-LD1115H-24G Human Presence Radar Features
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Unlike traditional radar, which detects large or small movements of the human body to determine the presence of the human body, this module mainly features the function of traditional human body sensing radar and the ability to detect and accumulate small movements such as human respiration to determine the presence of the human body
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Compared to traditional motion detection radars, the detection of human presence has higher accuracy and is less likely to miss alarms
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Frequency: 24G-24.25GHz; Modulation method: CW; Detection distance: 4m for sitting and 16m for movement; Scope: Hanging height of 3m, coverage radius of static human body detection>2m; Power supply: 3.6-5V
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Current: 70mA; Output serial port level: 3.3V; Detection cycle: adaptive; Antenna half power angle: ± 57 °/± 24 ° (horizontal/vertical); Data format: serial port ASCIl output/high and low levels
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Package including: 1pc HLK-LD1115H-24G Human Presence Radar Module
About JESSINIE HLK-LD1115H-24G Human Presence Radar
HLK-LD1115H-24G is the high sensitivity 24GHz millimeter wave human presence detection radar module The module can penetrate the non-metallic shell without opening. Common materials include plastic, glass, wood, ceramics, etc. Pin interface definition: (It is recommended to use a 2.54mm spacing row pin connector for the interface) VCC: 5V power supply GND: Grounding VO: Inductive output pin (optional) URX: TTL serial port reception UTX: TTL serial port transmission You can debug and test HLK-LD1115H-2.4G on a computer through a serial port assistant. Use any serial Debugger. Baud 115200, 8-bit data bit, 1-bit stop bit, check bit and flow control are None, and ASCII is selected for reception setting, Select ASCII for sending settings When the radar detects significant motion, it outputs mov, * * * * *. (The second digit represents the signal strength) When the radar detects a stationary state or small amplitude movement of the human body, it outputs Occ, * * * * *. (The second digit represents the signal strength) When the radar cannot detect the target, it stops outputting. Users can set a certain delay in the upper layer to avoid frequent unmanned states when weak signals are present. (The first number represents the position of the spectral line, which can be directly ignored by the user) Note: The module takes approximately 15 seconds to start, and data output begins 15 seconds after being powered on. Because the module makes existence judgments by accumulating signal features for a period of time, when personnel disappear from the radar detection range, the radar will continue to accumulate signals for a period of time, so the radar will stop outputting after a delay time.
