- on Miscellaneous Electronics
- Published in issue 1/2014 on page 122
Elektor AC Power Supply (1984)
The previous months we’ve been discussing equipment in the complex, bizarre, rare or expensive categories (tick as applicable—multiple options allowed). Here, we choose to go back to a primary requirement of lots of electronic DIY projects working at low voltages (say, 3 to 20 volts): the alternating voltage from the transformer secondary.