Link’s

http://www.rapidtables.com/math/trigonometry/arcsin.htm#definition

http://codingsec.net/2015/02/c-referral-sheet/

http://www.tutorialspoint.com/cprogramming/c_quick_guide.htm

https://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B#Bitwise_operators

http://www.protostack.com/blog/2010/06/introduction-to-io-registers/

http://www.ee.surrey.ac.uk/Projects/CAL/digital-logic/gatesfunc/index.html#quiz

http://www.allaboutcircuits.com/

https://zybooks.zyante.com/#/zybook/UTEdXSpring2015/chapter/2/section/2

http://www.learningaboutelectronics.com/Projects/

http://www.cprogramming.com/tutorial/c/lesson1.html

http://computer.howstuffworks.com/c23.htm/printable

http://www.improgrammer.net/best-resources-to-start-learning-cc/

http://www.electronics-tutorials.ws/dccircuits/dcp_9.html

http://www.codecademy.com/courses

http://ocw.mit.edu/index.htm

https://en.wikiversity.org/wiki/C

http://www.electronicshub.org/

https://www.arduino.cc/en/Reference/FunctionDeclaration

http://www.ladyada.net/learn/arduino/lesson2.html

https://learn.sparkfun.com/tutorials/connector-basics

http://arduinoyansic.blogspot.com.es/2015/05/serial-communication.html

https://learn.adafruit.com/

https://www.youtube.com/channel/UCUfd8URHRW1maPQ0OY4aefg/playlists?sort=dd&view=1

https://www.pinterest.com/razpy/

http://todbot.com/blog/category/programming/

http://www.analog.com/en/education/courses-and-tutorials/tutorials/ebooks.html

http://wiki.analog.com/university/courses/electronics/text/chapter-7

http://www.analog.com/en/education/courses-and-tutorials/tutorials/mixed-signal-electronics-systems.html

http://c-faq.com/stdio/index.html

Rigol MSO-1004Z-S

http://www.rapidtables.com/math/trigonometry/arcsin.htm#definition