Pin Definition
LR-101H Pin Definition
Pin
Signal
name
I/O Description
1 GND -
Ground
2 VCC -
3.0V~6.0V
3 RXD
Input UART input
4 TXD
Output UART output
5 BZ
Output Module’s operation status
6 P2
Input Pin2 for switching operation mode
7 P1
Input Pin1 for switching operation mode
Product Size
