http://jasonkrugman.com/classes/risd/sainsmartTutorials.pdf
https://cdn.sparkfun.com/datasheets/Kits/SFE03-0012-SIK.Guide-300dpi-01.pdf
https://bastiaanvanhengel.files.wordpress.com/2016/06/arduino_projects_book.pdf
http://www.mantech.co.za/Datasheets/Products/KTS011_DUINO.pdf