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Why do you need down counter? For traffic light you will need a shift register for 3 bits. During the initialization you will set one bit to 1 and other two to 0. Then each clock input shift and cycle the last bit to the first. To send a clock signal to the shift you need to divide frequency with a ...

Hi Wolfgang,
No there is no other way to copy. What is wrong with copy/paste?
Regards,
Eugene

Nice progress. It will be easier for you if you start to wrap up chunks in separate circuits. With smaller circuits you don't need wire highlights and much easier debug and navigate.
Keep it up

On the properties of the circuit you have "Category" field. Use it for grouping.
For more information on features please look at the help pages: https://logiccircuit.org/help.html

Take it to the moon.

I am not sure I understand what the problem is. It will help if you explain it in more details with the project file that demonstrate it.

Try to reset your master one too

You are struggling with timing problems. Try to use master slave jk flip-flops. This will work for you.

Can you please elaborate on “multiple inputs to a single pin”? You already can make a multibit bus. Is it what you need? For more details please read: https://logiccircuit.org/advanced.html As an alternative for gate id you can use text notes to mark your gates or add any other comments to your circ...

Hi Mario, What happened is you have 3 unconnected wires on all of your NOR gates that are used as NOT gates. Please note there is no black dots on that wires. See the picture. error.png The optimizer of the program did not find any connections from your buttons to your LED, so it's cut almost everyt...