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The built-in LED stays on #50

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redbeard122 opened this issue Oct 30, 2021 · 1 comment
Open

The built-in LED stays on #50

redbeard122 opened this issue Oct 30, 2021 · 1 comment

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@redbeard122
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redbeard122 commented Oct 30, 2021 •
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the Built-in LED of the STM32f103C8 which is connected to PC13 stays ON even on an empty sketch.
what is the solution for this issue ?
@redbeard122 redbeard122 changed the title The bult-in LED stays on The built-in LED stays on Oct 30, 2021
@Istria1704
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Have you tried setting PC13 as OUTPUT and HIGH?
The LED is active low I think. So it's ON when you set the pin LOW. With an empty sketch, I'm not sure what the pin is doing. Maybe floating?

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@Istria1704 @redbeard122