Really hard to appreciate it in photos. It's so much nicer!
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Video tutorial:
Step 1:
* 2x20 header pins
* soldering iron
* wire snips
* empty proto board
You're going to have put in a little more effort to solder the gpio headers on. But it's not terrible.
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Step 2: Solder!
ps - Pi Zeros are only sold in bulk WITHOUT the headers soldered on. Anyone who thinks you can make mad profits by selling preassembled SeedSigner (nprofile…gdpe) hardware is OUT OF THEIR F'N MINDS.
This is 8x speed. Yeah, with practice I could get faster. But still. GTFO.
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Step 3: Inspect your work.
Hey, look, something went wrong. Because of course!
Pro tip: I did the soldering with an old broken display hat, not knowing if the heat or anything else might screw it up (I think that loose pin was due to a flaw in the old hat's connector).
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Step 4: Inspect again, trim solder cones.
Off camera I did find one more bad solder (the pin came loose) that I had to repair.
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Step 5: Final assembly, boot up and test!