Parameters:Power supply voltage: 4.5~5.5VPCB size: 11.1*12.7CM

Listing:(some components more than need)PCB x13mm white blue LED  x512XH2.54-40P round female pin x220P IC socket x974HC573 DIP x9USB to DC005 cable x1DC005 power socket x118P IC socket x1ULN2803 DIP  x140P IC socket 1STC12C5A60S2 (with code) 1A09-103 Resisters x18*8 Self-locking switch x110uf 25V electrolytic capacitor x212MHz crystals x122pf ceramics capacitor x2470ohm resistor x84.7K ohm resistor x2LED 3mm x10.8mm cable x1