Communication extension allow serial communication.
Blocks
| Block | Function |
|---|---|
 | The block set the baud rate of the selected serial port. |
 | The block reports, if there is any data available on the selected serial port. If data is available, then it returns true, else false. |
 | The block reports the data available in the queue on the selected serial port. It reports one character at a time. |
 | The block sends the string message on the selected serial port. |
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