##REFERENCES
1 . USB-HID Codes
2 . Shift Register Datasheet -- for pin diag etc.
3 . Arduino Shift In Tutorial
4 . MPU-6050-Accelerometer And Gyroscope Break-Out Board Tutorial
5 . Zig-Bee Protocol
6 . Xbee Module Tutorial 1 || Xbee Module Tutorial 2
7 . Difference B/w Zigbee And Xbee
8. [asynchronous and synchronous data] (http://www.engr.iupui.edu/~skoskie/ECE362/lecture_notes/LNB25_html/text12.html)