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My new giant printer!
(lemmy.zip)
They make USB rechargeable lithium ion batteries in every common form factor. I use lithium rechargeable AAA batteries in my mouse and they work great. You don't even need a charger, they are USB-C. Highly recommend.
I use my front facing camera to see under things all the time. It's very useful, even though I don't take selfies. I'm an engineer though so I probably spend more time looking under things than most.
Any owls around? Some make seriously weird screeches.
I mean I can't really blame them for being smaller, the USB port is a lot of value added but is also pretty huge.