If your console uses a bios patch and you have problems playing original games, you can add this switch according to the diagram, which will allow you to disable the BIOS patch injection.

ONEchip modchips are designed specifically for PAL region PSone’s, and don’t work with anything else. They were designed to bypass additional protection inside the SCPH-102. There is also newer code ...

You know, for science. The backstory here is that [Great Scott!] is working on a super-secret ATtiny project that needs to be powered off mains. Switching power supplies are practically de rigueur ...

Related to being powered by a super capacitor, I also need to get my ATtiny to go to sleep when not processing anything. And that involves setting pins to ‘interrupt-on-change’ and getting the chip to ...

Maybe that’s why he emphasizes the new pinouts of the ATtiny102 parts. In particular, the GND pin is where the VCC pin is located on other ATtiny chips(!). It pays to read the datasheets.