Arduino: Pinout
From Luky-Wiki
Pin-out and schematic can be found on Arduino web page in section Products. I would like to have simplified table here, because I think it is more self explaining.
Arduino UNO Rev3
| v3 | Digital H | Digital L | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID on Board | - | - | AREF | GND | 13 (L) | 12 | ~11 | ~10 | ~9 | 8 | 7 | ~6 | ~5 | 4 | ~3 | 2 | TX -> 1 | RX <- 0 | ||
| Function | SCL | SDA | AREF | GND | SCK | MISO | MOSI | SS | OC1 | ICP | AIN1 | AIN0 | T1 | T0 | INT1 | INT0 | TxD | RxD | ||
| I/O Gate | PC5 | PC4 | AREF | GND | PB5 | PB4 | PB3 | PB2 | PB1 | PB0 | PD7 | PD6 | PD5 | PD4 | PD3 | PD2 | PD1 | PD0 | ||
~ = PWM output
| Power | Analog | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID on Board | n/c | IOREF | RESET | 3.3V | 5V | GND | GND | Vin | A0 | A1 | A2 | A3 | A4 | A5 | |
| Function | - | 5V | RESET | 3.3V | 5V | GND | GND | Vin (9V) | ADC0 | ADC1 | ADC2 | ADC3 | ADC4 / SDA | ADC5 / SCL | |
| I/O Gate | - | VCC | RESET | - | VCC | GND | GND | - | PC0 | PC1 | PC2 | PC3 | PC4 | PC5 | |
