fix: GSM have to be uppercase

vittorioexp / Sim800L-Arduino-Library-revised

The SIM800L Arduino Library is a simple and easy-to-use library for the SIM800L module, allowing for quick and efficient communication with the module using the Arduino platform.

GNU General Public License v3.0

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fix: GSM have to be uppercase #23

Closed OBrown92 closed 3 years ago