- Upload Arduino as ISP (In-System Programmer) sketch to Arduino UNO
- Add support for ATtiny to the Arduino IDE
- Breadboard circuit with ATtiny and Arduino UNO
- Burn bootloader (only first time)
- Modify UNO sketch for ATtiny
- If using a servo:
- Change pin numbers in your code to match those available on the ATtiny85/84.
- Upload sketch
- Create circuit to use ATtiny and apply power