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Here is it. I attached the wrong one.
I have 2 main problems.
1. I want to add a alarm that rings every 10 min.
2. When I power my circuit it doesn't start counting from 0.
Please I need guidance I'm still a beginner.

Hello, I'm still a beginner and I really need assistance. I have designed a mod 10 and a mod 6 counters for seconds and minutes to count from 0 to 59. How can I make it stop at 59 and not got to 60? How can I connect mod 2 and mode 10 counters for hours to count from 0 to 11? And finally, how can I ...

Yes, thank you. But I still have some questions. I'm still a beginner and I really need assistance. I have designed a mod 10 and a mod 6 counters for seconds and minutes to count from 0 to 59. How can I make it stop at 59 and not got to 60? How can I connect mod 2 and mode 10 counters for hours to ...

I resolved oscillation problem. I replaced my flip-flops with just one and I used a master-slave flip-flop. However, I still cannot figure out why my clock is not working well. I think I have a problem in my mod 6 counter. the connection between counters and the hours section. Can you tell me how to ...

OK. How can I fix oscillation error?

Hello, thank you for your reply. I really need help with my project. Here is it attached below.

Hello, please I really need help. This is a circuit of a 12H digital clock. When I power my circuit this message is shown. "Input pin x3 of&(11,8) connected to more than one output pin that are not tri state stable". Please help me figure it out. Can you please also check if my mode 6 and mod 10 ...