33 lines
899 B
Markdown
33 lines
899 B
Markdown
|
# battery Level
|
||
|
|
||
|
Return the current battery level.
|
||
|
|
||
|
```sig
|
||
|
brick.batteryLevel();
|
||
|
```
|
||
|
|
||
|
## Returns
|
||
|
|
||
|
* a [number](/types/number) which is the current charge level of the brick's battery. This is a percentage of total charge left in the battery.
|
||
|
|
||
|
## Example
|
||
|
|
||
|
Show the battery level percentage on the screen. Also, show a green light if the battery level is above 15%. If the battery level is below 15% but above 5%, show a orange light. But, if the battery level is below 5%, show a pulsing red light.
|
||
|
|
||
|
```blocks
|
||
|
let battery = 0;
|
||
|
loops.forever(function() {
|
||
|
brick.showString("Battery level:", 1)
|
||
|
brick.showNumber(battery, 2)
|
||
|
battery = brick.batteryLevel();
|
||
|
if (battery > 15)
|
||
|
{
|
||
|
brick.setLight(BrickLight.Green);
|
||
|
} else if (battery > 5) {
|
||
|
brick.setLight(BrickLight.Orange);
|
||
|
} else {
|
||
|
brick.setLight(BrickLight.RedPulse)
|
||
|
}
|
||
|
loops.pause(30000)
|
||
|
})
|
||
|
```
|