Adjustable Duty Cycle Based clock Signal Generation Kit Using 555 Timer₹129.00PriceQuantity*Add to CartDescriptionComponents in the Kit 555 Timer IC: 1 1N4148 Signal Diode: 2 Resistors 4.7K: 2 22K: 1 100K: 1 Capacitors 0.1uf: 1 10nf: 1 Connecting wire: 4M 9V battery with snap connector: 1