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docs/reference/input/light-level.md

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+# Light Level
+
+Gets the light level from ``0`` (dark) to ``255`` (bright). The light is measured by using various LEDs from the screen.
+
+This function will return ``0`` on the first call to this method, a light reading will be available after the display has activated the light sensor for the first time.
+
+```sig
+input.lightLevel();
+```
+
+### Returns
+
+* [Number](/microbit/reference/types/number) -  light level from ``0`` (dark) to ``255`` (bright).
+
+### Example: chart light level
+
+Use `plot bar chart` to visual the influence of various light source on the light level.
+
+```blocks
+basic.forever(() => {
+    led.plotBarGraph(input.lightLevel(), 255)
+})
+```
+
+### Lessons
+
+### See also
+
+[acceleration](/microbit/reference/input/acceleration), [compass-heading](/microbit/input/compass-heading)
+