How to Tune CPU FAN Speed With PWM on Armbian (cooling-levels based on Temperature)
Tune Armbian’s PWM fan curve using a Device Tree Overlay. This step-by-step guide shows how to locate the pwm-fan node, edit cooling-levels and temp-trips, compile a .dtbo overlay, enable it in armbianEnv.txt, and verify fan speed changes in Linux
SBCArmbianOSFan Speed
Amrut Prabhu
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