27 lines
1.1 KiB
Markdown
27 lines
1.1 KiB
Markdown
# Bluetooth Set Transmit Power
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### ~hint
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For another device like a smartphone to use any of the Bluetooth "services" which the @boardname@ has, it must first be [paired with the @boardname@](/reference/bluetooth/bluetooth-pairing). Once paired, the other device may connect to the @boardname@ and exchange data relating to many of the @boardname@'s features.
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### ~
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Change the output power level of the transmitter to the given value.
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```sig
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bluetooth.setTransmitPower(7);
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```
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### Parameters
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* `power`: a [number](/reference/types/number) in the range ``0..7``, where ``0`` is the lowest power and ``7`` is the highest.
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### See also
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[About Bluetooth](/reference/bluetooth/about-bluetooth), [@boardname@ Bluetooth profile overview ](http://lancaster-university.github.io/microbit-docs/ble/profile/), [@boardname@ Bluetooth profile reference](http://lancaster-university.github.io/microbit-docs/resources/bluetooth/microbit-profile-V1.9-Level-2.pdf), [Bluetooth on @boardname@ resources](http://bluetooth-mdw.blogspot.co.uk/p/bbc-microbit.html), [Bluetooth SIG](https://www.bluetooth.com)
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```package
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bluetooth
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```
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