e1. Edit the "hnanoGSM1_08_hw_control.py" file [mcedit hnanoGSM1_08_hw_control.py] and replace the line 17": import RPi.GPIO as GPIO with: import ITBP_gpioBBB as GPIO
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/blog/show/whos-barking-bbb-meets-h-nanogsm-beaglebone-black-gsm-how-to