diff --git a/sensor-node/modules/ROOT/pages/index.adoc b/sensor-node/modules/ROOT/pages/index.adoc
index b588022..ab1e70e 100644
--- a/sensor-node/modules/ROOT/pages/index.adoc
+++ b/sensor-node/modules/ROOT/pages/index.adoc
@@ -729,5 +729,28 @@ TIP: Learn how to How to Setup Raspberry Pi to Arduino Serial Communication
 video::646526465[vimeo]
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+=== Upload  Sketch
+
+A program designed for an Arduino board is called a sketch, and the process of transferring it to the board is called uploading. 
+
+****
+TIP: Learn how to How to Upload  Sketch (**)
+
+video::646562968[vimeo]
+****
+
+
+
+ Windows: It will never be COM1 don't pick that one. You should only have one other option.
+
+ Mac OS X and Linux: It will never be an option with 'bluetooth'  in the name, look for /dev/cu.usbmodem or /dev/cu.usbserial or /dev/ttyUSB or similar!
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+(**) Original: https://learn.adafruit.com/ladyadas-learn-arduino-lesson-number-1?view=all
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