Introduction to arduino mkr gsm 1400, arduino mkr gsm 1400 pinout, arduino mkr gsm 1400 features, arduino mkr gsm 1400 applications Hello Guys! I welcome you on board. Happy to see you around. In this post today, I’ll walk you through the Introduction to Arduino MKR GSM 1400. The Arduino MKR GSM 1400 is a microcontroller board that is based on the SAMD21 microcontroller. This device connects with a cellular network for develop ...