Electronics > Projects, Designs, and Technical Stuff
220V to 12V converter help
BravoV:
I think the real question to OP that so passionate to DIY is, whats your experience in building power switching circuit ?
Have you successfully built simpler cheap IC based DC to DC switching power supply ?
What measurement tools you own currently ? DMM ? Scope ? etc ?
This is to have a realistic expectation, especially for people who want to help, as this involves AC mains high voltage down to low volt DC, which is totally different level of difficulty compared to simpler DC to DC switcher.
strawberry:
I guess P1 have to be 5V and half of S1 turns . C4 ~10nF/400V, R8~100k/1W, D3~SUF4007, Q1~2N3904, Q2~MJE18003
Achu:
--- Quote from: BravoV on June 24, 2019, 04:53:52 am ---I think the real question to OP that so passionate to DIY is, whats your experience in building power switching circuit ?
Have you successfully built simpler cheap IC based DC to DC switching power supply ?
What measurement tools you own currently ? DMM ? Scope ? etc ?
This is to have a realistic expectation, especially for people who want to help, as this involves AC mains high voltage down to low volt DC, which is totally different level of difficulty compared to simpler DC to DC switcher.
--- End quote ---
I have no experience in that arena, to be honest.My major experience is in radio/audio electronics, and arduino projects.
BravoV:
--- Quote from: Achu on June 24, 2019, 02:13:26 pm ---
--- Quote from: BravoV on June 24, 2019, 04:53:52 am ---I think the real question to OP that so passionate to DIY is, whats your experience in building power switching circuit ?
Have you successfully built simpler cheap IC based DC to DC switching power supply ?
What measurement tools you own currently ? DMM ? Scope ? etc ?
This is to have a realistic expectation, especially for people who want to help, as this involves AC mains high voltage down to low volt DC, which is totally different level of difficulty compared to simpler DC to DC switcher.
--- End quote ---
I have no experience in that arena, to be honest.My major experience is in radio/audio electronics, and arduino projects.
--- End quote ---
Good, thats all needed to clear things out.
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