This is the first basic LED circuit I built many years ago in my school days and had given me immense pleasure to see glowing LED. For building this circuit you only need four things: LED- 1; Resistor ...

Switch: This controls the flow of electricity, allowing you to turn the circuit on or off. Plan Your Circuit; Before assembling, sketch a simple diagram of your circuit. This schematic should include ...

Each of the following diagrams illustrates how the same basic circuit can be used to create an LED-lit accessory that can be switched on an off. These circuits are similar to the practice LED circuit ...