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We want DC power! For Neopixels, for example. Or for battery charging. Or for radio stations. Our power supply has to be strong and stable. Strong means in this case: More than 60 amperes at 12 volts or so. And, these days, it also has to be good for the environment. But it should cost less than 20 dollars. Including shipping. Unbelievable? That is what I thought, too. Till I discovered second-hand server PSUs
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Links:
My HP HSTNS-PL18 750W PSU: ebay.to/2VklriY or ebay.to/2Bp5dhs or amzn.to/3ibw69j
Connector for these PSUs: s.click.aliexpr... or ebay.to/3i999DA or ebay.to/2BIdJYS
ESP-01 with relay: s.click.aliexpr...
Tasmotize the ES=-01 relay: www.loxwiki.eu...
Near Field Probes: s.click.aliexpr...
Good information about pins: colintd.blogspo...
German video about PSU electrical noise and its removal: • Video
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