Well made RPM METER
The blue down counter runs for 10s until 0.
The frequency generated by those square generators is given to a Green UP counter that counts the impulses with in those 10 seconds.
3 buttons to push... On - action - reset
Automatic Full stop At 0.
That's all folX! Enjoy
🌟✨💫🔆✌️👽👍🍺🍷💃🎸🍀🗽🌻🇺🇸🇬🇧🇦🇺🇫🇷🇮🇹🇩🇪👅👀😀👏😀💰🚀😀🚀💰🚀🚀🚀🚀
