81 LED chaser using double IC 4017

81 LED chaser using double IC 4017

Parts list:

IC555 https://goo.gl/R2x7X3
IC4017(2pcs) https://goo.gl/CyAz27
2N3904 or any other NPN(9pcs) (Transistor Kit https://goo.gl/5csLJy)
(Resistor kit https://goo.gl/p4JvQY)
10k resistor(10pcs)
470 ohm resistor
3.3k resistor
LED(81pcs) https://goo.gl/SPCY5o

Capacitor 1uF 10v (Capacitor Kit https://goo.gl/6zqbJy)
100k potentiometer (Potentiometer Kit https://goo.gl/z5b4X1)
Diode 1N4007 https://goo.gl/AZPAgX
1.5v AA battery(4pcs)
Battery holder https://goo.gl/PGfvm9
Prototype Breadboard https://goo.gl/jxEJx5 

81 LED chaser using double IC 4017


81 LED chaser using double IC 4017

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