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A comment on How to use LEDs to detect light.

Re:How to use LEDs to detect light by jamesadevine on Wednesday August 29, 2018 @05:45PM (#17872351)
On the microbit [1] we run the display's LEDs in reverse to turn most of the display into a light sensor [2]. It can then be used in code [3].

[1] https://microbit.org

[2] https://lancaster-university.github.io/microbit-docs/extras/...

[3] https://makecode.microbit.org/_Lgy9F04ar9Tm

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