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

docs/reference/basic/show-arrow.md

@@ -0,0 +1,29 @@
+# Show Arrow
+
+Shows the selected arrow on the LED screen
+
+```sig
+basic.showArrow(ArrowNames.North)
+```
+
+
+## Parameters
+
+* ``direction``, the identifier of the arrow to display
+* ``interval`` (optional), the time to display in milliseconds. default is 400.
+
+## Example
+
+This program shows all eight arrows.
+
+```blocks
+for (let index = 0; index <= 7; index++) {
+    basic.showArrow(index)
+    basic.pause(300)
+}
+```
+
+## See also
+
+[showIcon](/reference/basic/show-icon),
+[showLeds](/reference/basic/show-leds)