We add a reset circuit to our clock module that resets our address register to "0" on power-on and when a button is pressed.

We duplicate the manual mode of our timer's 555 circuit then use NAND gates and a resistor-capacitor circuit to adjust the clock timing to allow automatic reset.

Beginner electronics resources:
- Logic gates from element14 the Learning Circuit [ Ссылка ]
- Digital logic from Sparkfun [ Ссылка ]
- Ben Eater's video on timing diagrams [ Ссылка ]

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