pxt-calliope/docs/reference/bluetooth/uart-write-number.md

1.5 KiB

UART Write Number

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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@. 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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The Bluetooth UART service allows another device such as a smartphone to exchange any data it wants to with the @boardname@, in small chunks.

With the Bluetooth UART service running, this block allows a @boardname@ to send data to a Bluetooth connected device.

bluetooth.uartWriteNumber(42);

Advanced

For more advanced information on the @boardname@ Bluetooth UART service including information on using a smartphone, see the Lancaster University @boardname@ runtime technical documentation

See also

About Bluetooth, @boardname@ Bluetooth profile overview , @boardname@ Bluetooth profile reference, Bluetooth on @boardname@ resources, Bluetooth SIG

bluetooth