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Mains master/slave control Mk2

Based on a Labs project | October 2011 | Find it here
Mains master/slave control Mk2
This circuit allows one or several mains-operated apparatus (‘slaves’) to be automatically switched on when a ‘master’ apparatus is switched on. It is basically an enhanced version of the ‘Thrifty Mains-Slave Unit’ published in the December 1996 issue of Elektor Electronics. This time, the design is complete with a PCB. Also, use is made of a current transformer made from wire with a diameter of 1.5 mm. The important consequence of this change is that higher master currents are allowed.
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