m5fire.h note added

2020-06-16 18:04:56 +02:00 · 2020-06-16 18:04:56 +02:00 · 55315b7301
commit 55315b7301
parent 6ec85c20c4
1 changed files with 3 additions and 0 deletions
--- 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