Once the timer shows up in the graphical display, you can adjust some sliders to get the exact PWM duty cycle you want. Of course, you can also skip the PWM code and just use the timer interrupts ...
Looking for something with a bit more style than the traditional kitchen timer, [Martin Jonasson] decided ... a IS31FL3731 Charlieplexed PWM LED driver, and a piezo buzzer. The top of the rotary ...
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