Servo.py script no longer works after i edited pwm permissions

[liudmila.slepova]

Hi Hussein,

It might be possible to run the script without sudo by using udev rule. Please check out the details in the following thread:

Need to configure non-root PWM access

Hi @shawn1231, Sorry it took so long to get back to you! We recommend using this udev rule to configure non-root PWM access: SUBSYSTEM=="pwm*", PROGRAM="/bin/sh -c '\ chown -R root:gpio /sys/class/pwm && chmod -R 770 /sys/class/pwm;\ chown -R root:gpio /sys/devices/platform/soc/*.spi/spi_master/spi1/spi1.0/pwm/pwmchip0 && chmod -R 770 /sys/devices/platform/soc/*.spi/spi_master/spi1/spi1.0/pwm/pwmchip0\ '" It should work on RPi 3.

However, I’ve not done it myself so I can barely guide you through the process.