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

Signal Strength

Returns the signal strength reported by the paired device from 0 (no signal) to 4 (full strength).

~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.signalStrength();

Returns

• the signal strength from 0 (no signal) to 4 (full strength).

Examples

Display the signal strength on screen:

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

See Also

tell remote control to, raise alert to, on signal strength changed

devices