Questions tagged [dtoverlay]

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4 votes
1 answer

Turn off GPIO fan when the temperature lowers by more than 5 degrees

I am able to trigger my Raspberry Pi 3B's fan to turn on at 50 °C with the following line in /boot/config.txt: dtoverlay=gpio-fan,gpiopin=3,temp=50000 However, it automatically turns off again when ...
Paradox's user avatar
  • 143
1 vote
2 answers

How to set Hardware PWM Pins

I need a fairly deterministic PWM duty cycle. I don't believe it's rocket science to use hardware PWM. Numerous sources tell us that we can modify /boot/config.txt by adding dtoverlay=pwm-2chan which ...
KDM's user avatar
  • 698