R1-R7 - 7- 470 Ohm 1/4 Watt Resistor
U1 74LS90 TTL BCD Counter (substitute of 74ls90 is IC 7490,74HC90)
U2 74LS47 TTL Seven Segment Display Driver (substitute 7447,74HC47 )
DISP1 Common Anode 7 Segment LED Display
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These Circuits are helpful for Engineering Students and all who are intrested in Electronics Field
1 comment:
Is it possible to reset this counter?
BPO work from home
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