this build uses nothing more powerful than a Raspberry Pi Pico. There’s a little bit more to it than that, though, since this build also replicates the feel of the screen of the era as well.
About the size of a deck of cards, they combine a microcontroller and an LCD screen to make an instrument ... ahead of the toy kits, using a Raspberry Pi Pico, a 100 MHz ADC, and an effort to ...