Raspberry Pi powers a vintage typewriter as a Claude terminal—type prompts and watch it reply. Hardware hack: Arduino scans the typewriter's 8x8 key matrix and sends phantom keypresses to type replies ...

One part wants 3.3V logic. Another wants 5V. What do you do? Over on the [Playduino] YouTube channel, there’s a recent video running us through a not-so-recent concern: various approaches to ...