pxt-calliope/docs/reference/devices/on-signal-strength-changed.md

On Signal Strength Changed

Register code to run when the signal strength of the paired device changes.

~hint

The functions in the devices namespace allow the BBC micro:bit to communicate with a separate (remote) device, such as a smartphone, over Bluetooth (Smart). The set of supported events will depend on the remote device and the BBC micro:bit apps available for the remote device.

~

devices.onSignalStrengthChanged(() => {})

Parameters

• body: code to run when the signal strength changes.

Examples

Display the signal strength on screen:

devices.onSignalStrengthChanged(() => {
    basic.showNumber(devices.signalStrength(), 150)
})

See Also

tell remote control to, raise alert to, signal strength

microbit-devices