7. Use the down-arrow button on bottom-right to decrease time by 1 minute. 8. Use the Play/Pause buttons to play/pause timer. 9. Use the Reset button to reset the timer. 10. Use the Theme change ...
This is a snap with a microcontroller with a proper timer, but he recently heard about a very cool programmable timer chip that’s also a 555. Of course CSS555 timer chip has an obscure programmi ...