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Posted to rec.crafts.metalworking
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30 volt power supply
wrote in message
...
Not exactly on topic, but close.
I just got a kit from China for the electronics for a 30 volt 3 amp
power supply. The voltage and current are adjustable. I bought it
off AliExpress for $ 3.8x including shipping. No enclosure or
transformer in the kit of parts.
If you look enough you can find a vendor on Ali that has a manual
on line with the schematic. The pcb is 3.25 inch by 3.25 inch.
The vendor I used is
FYD open source hardware
Dan
https://www.aliexpress.com/store/pro...815000047.html
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