GSM / GPRS - Control the Arduino with SMS messages

The GSM shield allows the Arduino to connect to cellular networks. This opens the door for many interesting outdoor solutions.

There are all kinds of shields available. Make sure that the shield you are using is configured to work with pins other than 0 and 1 (which are used for programming the Arduino). We will use SoftwareSerial with AsyncStreams to communicate with the GSM module.

The GSM shield is...

GSM / GPRS - Control the Arduino with SMS messages

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