Materials required:
Enamelled copper wire 35 SWG
Enamelled copper wire 25 SWG
Transistor 2N2222A or PN2222A
Resistor 22K
LED
Battery 9V
Switch (Slider type)
Card Board
Transparent Tape
Connecting wires
Soldering Iron
Multimeter
Breadboard
Plastic Pipe 1″ diameter
Submitted by:
Prashant Kumar Sinha