How to enable the fan on Jetson platforms
echo 255 > /sys/kernel/debug/tegra_fan/target_pwm (for older L4T versions)
or
echo 255 > /sys/devices/pwm-fan/target_pwm
or
sudo systemctl stop nvfancontrol.service
echo 255 > /sys/devices/platform/pwm-fan/hwmon/hwmon3/pwm1 (for JetPack 5.*)
