The Apple II’s eight expansion slots on the motherboard were one of the most crucial features. These allowed consumers to add cards from Apple and several other vendors that immediately sprung up.

[Oliver] has developed A2Pico. It’s a series of Apple II peripheral cards that are based around the Raspberry Pi Pico, as you might have guessed. [Oliver] has been working in the area since 2021 ...

In its day, the Apple II computer didn’t typically require ... a 12V fan powers up to draw fresh air over the logic board and expansion cards. A simple cooling curve reduces wear on the fan ...