Touch Motor Control by SCR and Schmitt Trigger

Saturday, September 13th, 2008

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This circuit designs for control DC Motor 12Volt. By use the touch once Motor as a result turn go to once. When use a finger touches the metal makes Schmitt Trigger Circuit take a signal from Oscillator Circuit and make a signal goes out Trig SCR Bias Current [...]

Touch Switch using UJT 2N3819

Saturday, September 13th, 2008

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This be Very Simple Touch Switch Circuit. It used UJT 2N3819 is Main part numbers should set up this outside building circuit. When stay far from electric line or Power Line very much. Enough touch at infront touch 1 metal and 2 make Relay [...]

Touch Switch By IC 4001 & 4020

Friday, May 18th, 2007

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Circuit Touch Switch By IC CD4001, CD4020
This be touch switch be simple again the circuit. It use integrated digital circuit is important equipment, and use volt power supply low just 9V. By use single metal, it works in the character turn ON and turn OFF. By when touch for the first time turn [...]