Ebyte E22-400T30D - Connect to MCU

Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30D User Manual
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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.