You can use any pins for CE and CSN. However pin 10 must be set as OUTPUT for the Arduino to operate as an SPI master. It would normally be OUTPUT when used for PWM so that should be no problem.
...R
You can use any pins for CE and CSN. However pin 10 must be set as OUTPUT for the Arduino to operate as an SPI master. It would normally be OUTPUT when used for PWM so that should be no problem.
...R