add video iot

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
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+A program designed for an Arduino board is called a sketch, and the process of transferring it to the board is called uploading. 
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+TIP: Learn how to How to Upload  Sketch (**)
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+video::646562968[vimeo]
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+ Windows: It will never be COM1 don't pick that one. You should only have one other option.
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+ 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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