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Eric Helgeson edited this page Feb 20, 2022 · 16 revisions

This is for version 1.0-a/b/c. Version 1.1 has dedicated pins.

Power

Connect a LED to 5v with a resistor rated for your LED.

Activity

There are a few options, but none would be considered easy.

Remove existing LED

Remove the existing PC13 led and solder on your own.

Drive the LED from a different PIN

Use an unused pin such as PA0 to connect the a resistor and LED.

NOTE: You will have to modify and re-flash the software to drive this pin instead.

Recommend LED and Resistors

https://www.mouser.com/technical-resources/conversion-calculators/led-series-resistor-calculator