Is it possible to change the brightness of power indicator LED programmatically?

lancaster-university / microbit-dal

http://lancaster-university.github.io/microbit-docs

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Is it possible to change the brightness of power indicator LED programmatically? #483

Closed goldenbull closed 2 years ago

goldenbull commented 2 years ago

as title.

carlosperate commented 2 years ago

Not from DAL/CODAL, sorry. The power red LED next to the USB connector is controlled by the "interface chip", which is a secondary microcontroller running DAPLink. You could modify DAPLink to change the LED brightness (and even to change it via I2C messages!) if you'd like:

https://github.com/ARMmbed/DAPLink
https://tech.microbit.org/software/daplink-interface/

goldenbull commented 2 years ago

thanks @carlosperate