81 LED Matrix X-Y Controlled with two Clock Pulses

81 LED Matrix X-Y controlled with two Clock pulses (different frequency) using 4017 IC

Parts list:
4017(2pcs)
LED (81 pcs)
Resistor 330R (9pcs)
Resistor 10K (9pcs)
Transistor 2N3904 (9pcs)


81 LED Matrix X-Y Controlled with two Clock Pulses

Circuit:

81 LED Matrix X-Y Controlled with two Clock Pulses
Video: 




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