1 files changed, 5 insertions, 0 deletions

diff --git a/config.h b/config.h
index 7ab5ac8..7f9a235 100644
--- a/config.h
+++ b/config.h
@@ -109,4 +109,9 @@
 #define LOW_POWER 0
 #endif
 
+// Default to Serial port.
+#ifndef DEBUG_SINK
+#define DEBUG_SINK 2
+#endif
+
 #endif