@igmp_join at my old job I used raspberry pis to control door locks, and I hooked up a USB speaker to it and when a certain person would walk through a certain door I would have it play the imperial march.
A while ago I bought a $40 "for parts" clone of my old old laptop, just to replace my cracked screen. Well the speakers have blown out on it. Luckily I remembered the for-parts in the basement yesterday, and swapped the speakers. P. cool.
I have two little french louver windows I bought many years ago for the big shed, but ended up not using. Planning to put them in the garden shed now. βΊοΈ I measured up the cuts in the walls, so they're ready, just need a little more treated 2x4.