This is an old revision of the document!
This table details the function of each pin on the Digispark and any notes the are relevant.
| Pin Number | Output Voltage | Analogue Port Number | PWM | USB | Test LED | I2C |
|---|---|---|---|---|---|---|
| 0 | 5v | Y - 504 Hz | Rev 1 | SDA | ||
| 1 | 5v | Y - 504 Hz | Rev 2 / 4 | |||
| 2 | 5v | 1 | SCL | |||
| 3 | 5v | 3 | Y - 1.5k Ohm to 5v | |||
| 4 | 5v | 2 | Y - 1007 Hz | Y | ||
| 5 | 3v | 0 |