User Manual

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© Granwin IOT Technology (Guangzhou) Co.,Ltd
3.1 Size
16X10X2.8mm（length*width*height）
3.2 Renderings
3.3 Pin definition
Pin Name Description
1 VCC 3.3V
2 GND GND
3 TX GPIO/UART TX
4 RX GPIO/UART RX
5 PA9 GPIO/WAKEUP