edison.md: add 1.8V IO warning

[contrib/mraa.git] / docs / edison.md

diff --git a/docs/edison.md b/docs/edison.md
index 3c9a70b..d55d5dc 100644 (file)
--- a/docs/edison.md
+++ b/docs/edison.md
@@ -8,6 +8,9 @@ Currently Supported boards:
 - Intel Arduino board
 - Intel breakout board
 
+UART
+----
+On both the Arduino board and the breakout board, The avaible UART interface is on /dev/ttyMFD1
 
 Intel Arduino board
 -------------------
@@ -24,6 +27,7 @@ Intel breakout board
 --------------------
 
 - Both I2C buses are avaible 1 & 6
+- IO on the miniboard is 1.8V
 
 Please see the following table on how the physical pins map to mraa pin numbers