Requirements Fresh enough nighly or manually built image Latest kernel and dtb packages (26.03.2017 or newer)   Limitations As stated in other PWM related threads, hardware PWM output is supported only on pin PA5 which is also UART0 ("debug" serial console) RX pin, so enabling PWM will disable this console.   Activation Add "pwm" to "overlays" line in /boot/armbianEnv.txt Example: overlays=pwm Reboot is required to apply the changes Arm