Basic GPT7 16-bit timer setup with PWM set by ADC values, with serial single-char commands, and Wake-From-Interrupt option. This code is set up to produce a High Output at 0% to 50% duty-cycle, ...

Basic GPT7 16-bit timer setup with PWM set by ADC values, with serial single-char commands, and Wake-From-Interrupt option. This code is set up to produce a High Output at 0% to 50% duty-cycle, ...

This Arduino-based Pomodoro timer project also uses this 25-minute cycle. Once you push the button to start the timer, it will run for 25 minutes, display a count-up timer and a "Study time!" ...