PWM LED Dimmer Kit Using 555 Timer IC₹129.00PriceQuantity*Add to CartDescriptionComponents in the Kit 555 timer IC: 1 2N2222 Transistor: 1 1N4148 Signal Diode: 1 5mm red LED: 4 Resistors 1K: 6 47K: 1 Capacitor 0.1uf: 1 0.01uf: 1 Connecting wire: 4M 9V battery with snap connector: 1