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Arduino_Bluetooth

This ties into the youtube video explaining how to connect a Bluetooth unit to an Arduino.

In this particular video I use a cheap HC-06 but there are many similar units.

In this particular example I use the SoftwareSerial library. This then moves the RX, TX off the RX, TX pins on the Arduino. The benefit of this is that the bluetooth can interfere with programming the Arduino via the USB as the TX, RX pins are the same as what is used while uploading a sketch. By moving to different pins this problem goes away.

Not all pins can be used for SoftwareSerial and it does impose a slight overhead. If memory is tight it is not necessary.

The accompanying YouTube video is:

https://www.youtube.com/watch?v=3tcn496oxnk

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