Arduino Software developer resources
C Language:
- http://www.cheat-sheets.org/#C
- https://cheatography.com/tag/c/
- https://whatis.techtarget.com/reference/Our-Favorite-Cheat-Sheets#c
Arduino:
- Arduino Cheat Sheet
- https://www.arduino.cc/en/Tutorial/HomePage
- https://learn.sparkfun.com/tutorials/what-is-an-arduino/all