one of my favorite things on social media is when people nerd the heck out about hobbies I don't know anything about.

I have a friend on instagram who's super into Breyer horses and like, I know fuck-all about either real horses or plastic ones but she does these explainers about the hobby that are always a delight to read

Post about your hobbies. It's okay to take up space. Delight somebody with details.

@Annalee I charge all my portable electronics (phone, laptops, power tools, vacuum, anything with a battery) using solar juice. Lately I've been using a Jackery as a big solar bucket to collect the juice, then I use 12v car adapters off that to charge devices or smaller battery packs.

I have a 90w Dell car adapter and a 90w DC barrel jack adapter as well, but I needed a USB-C adapter.

Bought a crappy one on Amazon, branded "Scruak" of all madness. It overheated instantly.

@Annalee it overheats because the conversion from 13.5v DC to 20v DC has a bit of inefficiency. Such conversion is often 98% efficient, so at 100w, that'd mean 2w -- but this thing is more like 92% efficient so that's like 8w of heat to get rid of!
So I designed a new enclosure that gives it all the cooling it would be physically possible to provide. https://mastodon.floe.earth/@falconfour/109574257275505141
FalconFour (@[email protected])

Attached: 1 image Designing & printing a new chassis/heat sink for a junky 12v/100w USB-C PD adapter. Not bad for a single print of each part - one print from screen to reality, no mis-measures. Except one affecting the baseplate. Most astonishingly, the USB ports fit perfectly, zero wiggle room, perfect tolerance. Getting kinda good at this TinkerCAD stuff.

floe.earth Mastodon
and it still overheats, just not as terrifyingly badly such that it melts its solder. which is nice.