HLK-LD2410B
manual
4 Hardware Description
4.1 Dimensions
Figure 4 The physical picture of the module
Figure 5 Module Dimensions
Module size: 7mmx35mm, 5 pin holes are reserved for the hardware (the factory default is not equipped with pins). The pin
hole diameter is 0.6mm, and the pin spacing is 1.27mm.
4.2 Pin definition
Figure 6 Module pin definition diagram
pin symbol name Features
Human presence detected: output high level
No human presence: output low level
1 out target state output
2 UART_Tx Serial Tx Serial port Tx pin
3 UART_Rx Serial Rx Serial port Rx pin
4 GND power ground power ground
5 VCC power input Power supply input 5V
Table 1 Pin definition table
Page 7 of 20
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