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- 74LS90 BCD counter, BCD Counter using 74LS90, DIY Electronic Boards, Electronics, General Blog, Hobby Electronic kits, Integrated Circuit chips
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Package includes :
- PCB
- 74LS90
- LED – 4
- 1K resistor – 4
- Push button switch
Assemble the circuit as shown in the following image.
Circuit diagram of BCD/Decade counter using 74LS90 is shown below.
Working
Modules required
Step 1 : Power the BCD Counter module from a 5V regulator as shown in the following image.