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

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.

~

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())
})

See Also

tell remote control to, raise alert to, signal strength

devices