Hi-Link HLK-LD1125H-24G Applications Manual - Page 4

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Hi-Link HLK-LD1125H-24G Applications Manual

2. Module Appearance and Interface

1 2 3 4
Pin interface definition: (2mm pitch pin header connector is recommended for the interface)
Pin
1
2
3
4
3
Name
VCC
GND
URX
UTX
Remark
Power supply
5V power
supply
Touchdown
TTL serial
port receive
TTL serial
transmission