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updated devices docs

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Peli de Halleux
2016-06-20 22:06:19 -07:00
parent dd181e4178
commit 8f3c585588
7 changed files with 77 additions and 110 deletions
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19
docs/reference/devices/signal-strength.md
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@ -1,17 +1,17 @@
# Signal Strength
The `signal strength` function.
Returns the signal strength reported by the paired device from ``0`` (no signal) to ``4`` (full strength).
## Important Security Consideration
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).
### ~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.signalStrength() : number
### ~
```sig
devices.signalStrength();
```
### Returns
@ -22,7 +22,7 @@ devices.signalStrength() : number
Display the signal strength on screen:
```
```blocks
devices.onSignalStrengthChanged(() => {
basic.showNumber(devices.signalStrength(), 150)
})
@ -32,3 +32,6 @@ devices.onSignalStrengthChanged(() => {
[tell remote control to](/reference/devices/tell-remote-control-to), [raise alert to](/reference/devices/raise-alert-to), [on signal strength changed](/reference/devices/on-signal-strength-changed)
```package
microbit-devices
```