Arduino Micro
Compact ATmega32U4 board (48×18 mm) with 20 digital I/O pins (7 PWM), 12 analog inputs, 16 MHz, native USB (keyboard/mouse/CDC), and Micro USB connector. Breadboard-compatible form factor. 5 V operating voltage.
Pinout
- VINType · Power
- +5VType · Power
- +3V3Type · Power
- GNDType · Ground
- D0RXType · GPIO, UART
- D1TXType · GPIO, UART
- D2SDAType · GPIO, I2C
- ~D3SCLType · I2C, Signal
- D4Type · GPIO
- ~D5Type · Signal
- ~D6Type · Signal
- D7Type · GPIO
- D8Type · GPIO
- ~D9Type · Signal
- ~D10Type · Signal
- ~D11Type · Signal
- D12Type · GPIO
- D13~Type · Signal
- A0Type · Analog
- A1Type · Analog
- A2Type · Analog
- A3Type · Analog
- A4Type · Analog
- A5Type · Analog
| Pin | Type |
|---|---|
| VIN | Power |
| +5V | Power |
| +3V3 | Power |
| GND | Ground |
| D0RX | GPIO, UART |
| D1TX | GPIO, UART |
| D2SDA | GPIO, I2C |
| ~D3SCL | I2C, Signal |
| D4 | GPIO |
| ~D5 | Signal |
| ~D6 | Signal |
| D7 | GPIO |
| D8 | GPIO |
| ~D9 | Signal |
| ~D10 | Signal |
| ~D11 | Signal |
| D12 | GPIO |
| D13~ | Signal |
| A0 | Analog |
| A1 | Analog |
| A2 | Analog |
| A3 | Analog |
| A4 | Analog |
| A5 | Analog |
Pin details
24 connections- VINPower
- +5VPower
- +3V3Power
- GNDGround
- D0RXGPIO, UART
- D1TXGPIO, UART
- D2SDAGPIO, I2C
- ~D3SCLI2C, Signal
- D4GPIO
- ~D5Signal
- ~D6Signal
- D7GPIO
- D8GPIO
- ~D9Signal
- ~D10Signal
- ~D11Signal
- D12GPIO
- D13~Signal
- A0Analog
- A1Analog
- A2Analog
- A3Analog
- A4Analog
- A5Analog
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