Hello, I am building a system with UNO and a GSM shield. I am trying to make a system that runs on batteries, so it must consume as less power as possible. I would like arduino to spend most of the time sleeping, and wake up whenever any of these two events take place: 1 minute passed a button i…

GSM shield, interruptions and sleeping code

guiz May 14, 2014, 11:20am 6

After trying it out, I will answer myself

Modifying GSM3SoftSerial.cpp is enough. Arduino will recompile the library and use the specified pins. I love open software.

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