m5fire.h note added

AugustQu · Jun 16, 2020 · 55315b7 · 55315b7
1 parent 6ec85c2
commit 55315b7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/hal/m5fire.h b/src/hal/m5fire.h
@@ -2,6 +2,9 @@
 // upload_speed 921600
 // board m5stack-fire
 
+// note use of GPIO16/17
+// https://www.bjoerns-techblog.de/2019/03/m5stack-fire-eine-uebersicht/
+
 #ifndef _M5FIRE_H
 #define _M5FIRE_H