edison.md: add 1.8V IO warning

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

diff --git a/docs/edison.md b/docs/edison.md
index 3237701..d55d5dc 100644 (file)
--- a/docs/edison.md
+++ b/docs/edison.md
@@ -27,6 +27,7 @@ Intel breakout board
 --------------------
 
 - Both I2C buses are avaible 1 & 6
 --------------------
 
 - 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
 
 
 Please see the following table on how the physical pins map to mraa pin numbers