DickCappels
- Joined Aug 21, 2008
- 10,170
You need current limiting to protect the power supply from short circuit, beyond that, an adjustable current limit can be helpful but seldom needed.
While the high quality stuff is not junk, they don't make them like they once did.Just keep in mind that a lot of stuff from those on-line places are junk. They may work fine for you for years, they may work okay for awhile, or they may kill you on the first go. Then again, the same can be said for some of the projects you will likely be building as you learn.
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What's happened to me is that I've not only bought gadgets that I've never used, but I've also bought them twice after completely forgetting that I had already bought them before... the poor things laying around still in their unopened boxes.I can't even count the number of tools I've bought over the years that I've ended up never using even once
My parents pulled that with me. After I bought my first home, every time they would visit they would bring a few boxes of my stuff that had been sitting out in their garage for years. I would usually just move the boxes down to the basement without even looking in them. One day they brought a bunch of stuff over and I actually looked in the top box and nothing in there was mine. When I pointed that out, they said, "It's yours now. Enjoy." A quarter century later and I'm finally getting around to sorting out those boxes.The endless boxes of never used stuff problem is solved for me. My oldest daughter is buying their first home just across the river in WA state. It's time to load up the truck with house warming gifts.
Hear, hear. When it comes to durability, big iron is king. No switchmode or linear solution will ever take as much abuse as a line frequency transformer paired with a high quality rectifier.While the high quality stuff is not junk, they don't make them like they once did. [...] They all look great on a bench but most can't make the very high EMI generated from plasma source generation and ion acceleration like the old SCR/transformer big iron models could. The fancy LCD screens go blank, QEI encoders inputs die, output filters go boom!
by Jake Hertz
by Aaron Carman
by Jake Hertz
by Jake Hertz