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Chengdu Ebyte Electronic Technology Co., Ltd.
4. Recommended Connection Diagram
serial
Brief connection instructions between the module and the microcontroller (the above figure takes the STM8L
number
1
The wireless serial port module is TTL level, please connect it to a TTL level MCU.
2
Some 5V microcontrollers may need to add 4 to 10K pull-up resistors to the TXD and AUX pins of the module.
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microcontroller as an example)
E22-xxxT30x series product user manual
13
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