Electronics Projects General - DIY, Repair, and Help

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I keep a butane torch with a solder iron attachment in the toolbox for field work up on a ladder. I got it at harbor freight a million years ago. I had an AliExpress $4 USB solder iron for a bit but it couldn't get enough heat for any joint larger than the head of a needle.

For shop work, I have a Weller station with temperature presets I dumpster-dived for that was built when Christ was a cowboy. I've needed to upgrade that for over a decade. The connection between the base and the tip is busted and uses a proprietary cannon plug. I keep thinking "this is the last job with this" but you know how that goes.

For making a quick butt joint in the field, I'm a fan of crimp connectors. Those are vibration-resistant and can take loads of current. My new favorite are the heat-shrink style with a dab of solder you can melt with a hot air gun. I also have a lot of these with spade connectors which is great for troubleshooting before you zap it with the hot air and make the connection more permanent. Molex is more professional. Deutch connectors looks cool and apparently work extremely well if you shell out for the name brand kit
 
Anyone know if there is a two wire communication + power protocol yet, capable of 1Mbit? I was hoping that Power Over CAN may have been a thing, but it is not.
 
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