Touch sensitive diode Kiran Manchekar 11:33 PM Kiran Manchekar In this circuit we used a touch plate. When we touch on touch plate then LED glows. Actually the touch plate act as a switch to turn on the LED. You can control the brightness of LED by varying the battery voltage. Tweet Share Share Share Share Related Post FM Bug This FM bug transmitter circuit will let you spy on people. The transmitter can be placed in the dSimple Land RoverDo you want to design your own land rover or robot car? Then here it is. Here we used 4 switches anWater Sensing Indicator This is a simple circuit for sensing the water. It consists one DC battery, a resistor and a speakThe differential Temperature Relay Switch or Balance temperature switch by IC 741 This is Circuit Differential Temperature Relay Switch .Use IC 741 for control relay ad Diode D1,D2