Possibly the smallest double-layer ESP8266 adapter board currently , 23.3 mm long and 20.5 mm wide
characteristic
- Type-C interface (the C port of some boards can only be connected to C-to-A cables, but this project supports C-to-C cables)
- Onboard CH340N chip, no need for additional serial port conversion module
- 12 PIN design ( +5V, +3.3V, GND, TX, RX, IO2, IO4, IO5, IO12, IO13, IO14, IO16
)
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