31 lines
710 B
Markdown
31 lines
710 B
Markdown
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# Set Transmit Serial Number
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Make the ``radio`` packet embed the board serial number with each packet of data.
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```sig
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radio.setTransmitSerialNumber(true);
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```
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### Parameters
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* ``transmit`` is a [boolean](/reference/types/boolean) that represents whether the serial number needs to be transmitted.
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### Simulator
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This function only works on the micro:bit, not in browsers.
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### Example
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This program makes the ``radio`` send the serial number in each packet.
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```blocks
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radio.setTransmitSerialNumber(true);
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```
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### See also
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[receive number](/reference/radio/receive-number), [send number](/reference/radio/send-number), [on data received](/reference/radio/on-data-received)
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```package
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microbit-radio
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```
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