UART Write Value

~hint

For another device like a smartphone to use any of the Bluetooth "services" which the micro:bit has, it must first be paired with the micro:bit. Once paired, the other device may connect to the micro:bit and exchange data relating to many of the micro:bit'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 micro:bit, in small chunks.

With the Bluetooth UART service running, this block allows a micro:bit to send data to a Bluetooth connected device.

bluetooth.uartWriteValue("x", 42);

Advanced

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

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UART Write Value

~hint

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Advanced

See also

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