Questions tagged [dtoverlay]
The dtoverlay tag has no usage guidance.
2
questions
4
votes
1
answer
708
views
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 ...
- 143
1
vote
2
answers
319
views
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 ...
- 698