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Chengdu Ebyte Electronic Technology Co.,Ltd.
Chapter 4 Recommended Wiring Diagram
A brief description of the connection between the module and the microcontroller (the above picture
Item
1
The wireless serial port module is TTL level, please connect with TTL level MCU.
For some 5V microcontrollers, it may be necessary to add 4 to 10K pull-up resistors to the TXD
2
and AUX pins of the module.
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8
takes the STM8L microcontroller as an example)
E22-230T30D User Manual
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