I gave my espresso machine a brain. I particularly like the animated splash screen, which starts out black and fills up in a satisfyingly glitchy way: https://github.com/flowerysong/ESPress0x20/blob/5b6b71ee653496ffb639b069b10bea96112f9484/ESPress0x20.ino#L194-L219
This is my first time working with a microcontroller, and it's been a lot of fun.
the mastodon instance at cybre.space is retired see the end-of-life plan for details: https://cybre.space/~chr/cybre-space-eol