this post was submitted on 07 Jul 2023
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Some of mine maybe aren't that niche anymore, but:
Retro computing: no one needs more than 640k. Maybe no one needs more than 64k. Those old systems were the last time a single programmer could have control over the entire machine at a low level.
Ham radio: Oftentimes called a dying hobby, but a great foray into electronics in general, and also a pretty nice community (save for a few curmudgeons).
Analog audio: often thought of as a boutique thing, but really isn't. Lots of old equipment ready to be restored that can give you really unique auditory experiences.
Plastic modeling: especially if you start from a kit but add things to it, or if you build from scratch, or hell, even if you just build a kit as intended, there is a huge amount of personal expression and creativity.
I really want to get into HAM radio. Is it something thatcan be done on a budget? Do you have any resources for a interested beginner?
Yes it can be done on a budget, although the more you get into it, the more alluring the expensive stuff is.
Even without a license, you can get started with some listening only stuff. For me, I picked up an rtl-sdr off Amazon for pretty cheap and started listening to NOAA weather satellites.
Before you start transmitting, you'll need to get your license. Hamstudy.org is a great place to start practicing for the exam.