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naraburns nihil supernum
1yr ago
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Be advised: this thread is not for serious in-depth discussion of weighty topics (we have a link for that), this thread is not for anything Culture War related. This thread is for Fun. You got jokes? Share 'em. You got silly questions? Ask 'em.
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I'll fourth microcontrollers as a good interaction between coding and building. Even starting with Arduino or Adafruit collections is cheap, easy, safe, and can fit in a couple small boxes (although I recommend fishing tackleboxes). If you want to go cheaper or deeper, there's a big rabbit hole. Biggest downside is that it's very hard to make 'finished' products: you can get boards made cheaper, you can hand or plate-solder cheap, and you can get project boxes easily, but anything you'd want to carry around on you gets complicated.
((And, uh, you end up with a bunch of blinking-light nicknacks.))
For Robotics projects, normally I'd talk small drones, but there's a variety of reasons you don't want to be doing that from base dorms. SmallKat is pretty cheap and relatively easy if you can get the 3d print parts made; the prefab kit is stupidly expensive (
500 USD) and most 3d print services will still be pretty costly. Petoi kits are a cheaper (250-300 USD) but it's a bit harder to generalize the build-side knowledge from it to other applications.Hand-tool woodworking is fun and can scale up to machine-building and tooling in plastic and metal pretty well, less because you'll use a chisel for anything but removing rivets when it comes to aluminum, and more because it makes you think about how manufacturing stuff actually works. You don't need a ton of gear (a few various saws, a couple hand planes, a square, a miter box, marking knife and gauge, some sharpening tools, glue, clamps, and sandpaper), but the jigs and output products can take a ton of space, and getting decent lumber (eg, not bent like a banana) can range from annoying and/or expensive. I would recommend indoors-friendly finishes like Odie's oil and hardwax; shellacs and varnishes tend to be one of the most space-unfriendly parts to this approach.
3D Printers are an option, and most of them you get a lot of experience with assembly and repair. But they're very limited in what they can do, take a frustrating amount of maintenance to run, and they can teach a lot of bad habits.
There are some options for manufacturing at higher power that can be done without taking over the room, but they're marginal or complicated and pretty limited in space. You can get a cheap desktop CNC in the 200-600 USD range without it being complete garbage, and they can cut wood, aluminum, or brass if you're patient and have them dialed in carefully... if very slowly, and with a ton of noise, and expect to spend another 300-500 USD in gear and end mills. Don't expect to make anything big, and it requires a lot of familiarity or willingness to learn (though at least tools like Fusion360 now have fairly generous hobbyist levels). But see here for the sorta scale of what you could get into.
Most military bases have Auto Skills Centers (sometimes Auto Hobby Centers). They're really heavily focused around automotive stuff and usually pretty basic automative stuff, but if you're not on one of the small number of bases with Makerspaces I've heard they can sometimes be willing to let you store (or use!) tooling and equipment.
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