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Old May 7th 19, 02:55 AM posted to rec.crafts.metalworking
[email protected] dcaster@krl.org is offline
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First recorded activity by DIYBanter: Aug 2006
Posts: 3,967
Default 30 volt power supply

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