SMALL UPS...


Author Message
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 8562
Posted: 06:35am 03 Aug 2024      

So...
If you had the smallest 25+25 toroid, ignore the secondary (insulate the ends), use the secondary as the primary & wind a 9V secondary onto it. Bridge rectify, smooth and bob's yer uncle!