Single Touch ON OFF Switch Circuit
ON- OFF Any Appliance Using Single Touch Plate. in this circuit Two ICs are used, One is 555 timer ic, and the second is D-Flip-Flop 7474 ic. When Once Touch the touch plate, The Light is ON, Again If you Touch The Light is switched OFF. You can say that ON-OFF using One Touch Plate or ONE TOUCH POINT this circuit. This Single Touch ON-OFF of this circuit makes it very interesting And Useful. You can use the BC547 Transistor at the place of 2N2222.
• First Touch = ON
• Second Touch = OFF