Hi-Link HLK-LD2410C - 4 Hardware Description; 4.1 Dimensions

Shenzhen Hi-Link Electronic Co., Ltd. Manual
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HLK-LD2410C
Figure 5 Module Dimensions
Module size: 16mmx22mm, 5 pin holes are reserved in the hardware
(the factory default does not match the pins)
The pin hole diameter is 0.9mm, and the pin spacing is 2.54mm.
4.2 Pin definition
Figure 6 Module pin definition diagram
Pin
Symbol
Items
Function
1
UART_Tx
Serial Tx
Serial Tx pin
2
UART_Rx
Serial Rx
Serial Rx pin
3
OUT
Target status
output
Human presence detected:
output high level
No human presence: output
low level
4
GND
Power ground
Power ground
5
VCC
Power Input
Power input 5~12V（advise 5V）