11 Stateful Lock
11 : Stateful Lock
- Author: Tim Henkes
- Description: A little combination lock which requires three codes in the correct order to unlock
- GitHub repository
- Open in 3D viewer
- Clock: 0 Hz
How it works
A little two-bit state machine decides which code is required to enter the next state. The fourth state equals to the lock being open. A wrong code in any state resets to the first state.
How to test
To test the project, refer to its Wokwi, which is public.
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | |||
| 1 | |||
| 2 | |||
| 3 | |||
| 4 | |||
| 5 | |||
| 6 | |||
| 7 |