Add "How does it work?"
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@@ -65,6 +65,11 @@ Watch this repo for new updates! And of course, contributions are welcome ;)
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Send an ```AT``` command using [this sketch](tools/AT_Debug/AT_Debug.ino)
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Send an ```AT``` command using [this sketch](tools/AT_Debug/AT_Debug.ino)
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5. Check if GSM antenna is attached
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5. Check if GSM antenna is attached
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## How does it work?
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Many GSM modems, WiFi and radio modules can be controlled by sending AT commands over Serial.
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TinyGSM knows which commands to send, and how to handle AT responses, and wraps that into standard Arduino Client interface.
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## Troubleshooting
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## Troubleshooting
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### SoftwareSerial problems
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### SoftwareSerial problems
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