The Geneva counter
Engineers (Advanced), mission M5 Machines That Seem Alive, lesson 2 of 6.
Hook
Film projectors and watches move in tiny jumps. Here is the trick.
Fair test
Count driver turns per output step. How long is each pause?
Bonus challenge
Turn it into a “countdown clock” with paper numbers.
The build
- ⏯️ Geneva Step Counter: Turn the handle smoothly — the pointer moves in jumps: click… wait… click! (level 3 of 5, about 30 minutes, 9 steps)