Ebyte E32-900T20D - Connect to MCU

Chengdu Ebyte Electronic Technology Co., Ltd E32-900T20D User Manual
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Fix hole
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Fix hole
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Fix 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.