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<hr>
+## Troubleshooting
+
+If you're having issues withe serial communication, you can enable debug messages that will give you insights which part of the communication failed. The enable these messages add to your keyboards `config.h` file:
+
+```c
+#define SERIAL_DEBUG
+```
+
+?> The messages will be printed out to the `CONSOLE` output. For additional information, refer to [Debugging/Troubleshooting QMK](faq_debug.md).
+
## Alternate Functions for selected STM32 MCUs
Pins for USART Peripherals with