Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

To program these chips, [Aaron] first had to wire up the microcontroller into a circuit. This was just a bit of perf board, a resistor, a few caps, and a USB A plug.

It worked, demonstrating an overclocked microcontroller could be useful in some situations. As for what [Marcelo] plans to do with his faster microcontroller, he’s thinking of improving a ATMega ...