AaronNGray Posted 6 hours ago Posted 6 hours ago (edited) I am using :- [ Ubuntu 24.04 (Noble)](https://dl.armbian.com/rock-5b-plus/Noble_vendor_server) from :- [Radxa Rock 5B Plus - Armbian](https://www.armbian.com/rock-5b-plus/) Trying to turn fan on on Radxa Rock 5B+ selecting the device using armbian-config actually makes it disappear Quote > cat usr/local/bin/test_fan_run.sh #!/bin/bash echo "Trun on Fan" echo 0 > /sys/devices/platform/fd8b0010.pwm/pwm/pwmchip0/export echo 10000 > /sys/devices/platform/fd8b0010.pwm/pwm/pwmchip0/pwm0/period echo 5000 > /sys/devices/platform/fd8b0010.pwm/pwm/pwmchip0/pwm0/duty_cycle echo normal > /sys/devices/platform/fd8b0010.pwm/pwm/pwmchip0/pwm0/polarity echo 1 > /sys/devices/platform/fd8b0010.pwm/pwm/pwmchip0/pwm0/enable I am getting `line 3: echo: write error:Device or resource busy` Edited 6 hours ago by AaronNGray 0 Quote
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