2.1.28, initiation update to PXT v5.28.24 (#54)

docs/reference/images/arrow-image.md

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+# arrow Image
+
+Create an arrow shaped [image](/reference/images/image) for the [LED screen](/device/screen).
+
+```sig
+images.arrowImage(ArrowNames.North)
+```
+
+The arrow points in the direction of the arrow name you choose, like `North`.
+
+## Parameters
+
+* **i**: the arrow name to make an arrow [image](/reference/images/image) for. You can make an arrow image that points in one of these directions:
+
+>* `North`
+>* `NorthEast`
+>* `East`
+>* `SouthEast`
+>* `South`
+>* `SouthWest`
+>* `West`
+>* `NorthWest`
+
+## Example
+
+Display a left arrow when button A is pressed or a right arrow when button B is pressed.
+
+```blocks
+let arrowLeft = images.arrowImage(ArrowNames.West)
+let arrowRight = images.arrowImage(ArrowNames.East)
+
+input.onButtonPressed(Button.A, () => {
+    arrowLeft.showImage(0);
+});
+input.onButtonPressed(Button.B, () => {
+    arrowRight.showImage(0);
+});
+```
+## See also
+
+[arrow number](/reference/images/arrow-number)