Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
8
6
VCC
Input
Power supply
：
3.3~ 5.5V DC
7
GND
Input
Ground
8
Fixed hole
Fixed hole
9
Fixed hole
Fixed hole
10
Fixed hole
Fixed hole
11
Fixed hole
Fixed hole
4. Connect to MCU
No.
Description
（
STM8L MCU
）
1
The UART module is TTL level.
2
For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
