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Tip !!!/Arduino tip

Wemos mini 핀맵

 

Label GPIO Input Output Notes
D0 GPIO16 no interrupt no PWM or I2C support HIGH at boot
used to wake up from deep sleep
D1 GPIO5 OK OK often used as SCL (I2C)
D2 GPIO4 OK OK often used as SDA (I2C)
D3 GPIO0 pulled up OK connected to FLASH button, boot fails if pulled LOW
D4 GPIO2 pulled up OK HIGH at boot
connected to on-board LED, boot fails if pulled LOW
D5 GPIO14 OK OK SPI (SCLK)
D6 GPIO12 OK OK SPI (MISO)
D7 GPIO13 OK OK SPI (MOSI)
D8 GPIO15 pulled to GND OK SPI (CS)
Boot fails if pulled HIGH
RX GPIO3 OK RX pin HIGH at boot
TX GPIO1 TX pin OK HIGH at boot
debug output at boot, boot fails if pulled LOW
A0 ADC0 Analog Input X