Fionn O'Connell-Hussey
Fionn O'Connell-Hussey
Try run as root, this library uses sysfs which can sometimes create permission issues, if you need to run this as a non root user you can great an access...
I think you're changing the pwm chip not the pin. Try leaving the chip as 0 and see what happens, if it gives an error saying the device doesn't exist...