This circuit turns your air conditioner or other appliance on and off in adjustable cycles to save energy. The circuit is from a 1983 Electronics Experimenter Handbook Special projects.
We found this circuit at Modern Electronics in January 1991. The magazine no longer exists, but...
In this circuit, a jack with a diode activates a relay in a security system. The circuit is from a...
September 2016 - Supercapacitors of 10F to 100F in 3 V from Eaton can now be purchased from Mouser...