Gates & flip-flops connected to the 7-segment display change the state of corresponding LED segments to form the next character, each cycle
Set to desired clock speed — characters are most readable at the lowest speed
None

| # | Input | Output |
|---|---|---|
| 0 | clock | segment a |
| 1 | reset | segment b |
| 2 | segment c | |
| 3 | segment d | |
| 4 | segment e | |
| 5 | segment f | |
| 6 | segment g | |
| 7 |