Results tagged #Ac Mains in Circuits
Power Supplies
The power supply is a vital but often neglected part of any electronic product. It is the interface between the noisy, variable and ill-defi...
Mains Supply Failure Alarm
Whenever AC mains supply fails, this circuit alerts you by sounding an alarm. It also provides a backup light to help you find your way to t...
how to make simple ac mains surge
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light dimmer circuit
This circuit operates at potentially lethal 220V AC mains voltage. The circuit should be built and used only by people who know hot to safel...