Hi I am adding ATT starter kit to raspberry pi 3 working with raspberry strech (v 9.3)
I am following the instructions on file titled "LTE IoT Add-on Kit for Raspberry Pi 3
- Getting Started Guide -"
when trying to acsess minicim
minicom –b 115200 –D /dev/ttyACM0
minicom: cannot open /dev/tty8: Permission denied