Circuits Apmilifier
Improved 240-VAC TO 5-VDC POWER SUPPLY
This is simple way to power some 5v logic from a 240vac source. If a 120vac power adapter is used, the circuit will also work for 120vac power lines.
S:
http://kitaudio.blogspot.com/2010/06/240vac-to-5vdc-power-supply.html
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