pxt-calliope/docs/lessons/magic-logo/activity.md
Sam El-Husseini e3975e65e5 pxt-microbit Accessibility PR ()
* Accessibility changes
2017-09-07 13:42:08 -07:00

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# magic logo activity
Show an image that points up when the logo is up.
## ~avatar avatar
Welcome! This tutorial will help you display an arrow pointing toward the logo! Let's get started.
## ~
Using the **accelerometer** sensor, the @boardname@ can detect when the **logo** is oriented **up**. We call that the **logo up** event. We will use `on logo up` to register an event handler that will run when the **logo up** event happens.
```blocks
input.onGesture(Gesture.LogoUp, () => {
})
```
When the @boardname@ goes logo up, the code nested under the `on logo up` function will run. Let's add a line of code to show LEDs in there.
```blocks
input.onGesture(Gesture.LogoUp, () => {
basic.showLeds(`
. . # . .
. # # # .
# # # # #
. . # . .
. . # . .
`)
})
```
Run your code and try to turn around the @boardname@ to see the **logo up** event in action!
## ~avatar boothing
Excellent, you're ready to continue with the [challenges](/lessons/magic-logo/challenges)!
## ~