# 1.5 Arduino Online Resource

## 1.5.1 Official Websites

* <https://www.arduino.cc/>
* <http://www.arduino.org/>

## 1.5.2 Third Party Open Source Code & Tutorials

* [Github - Longer Vision Robot](https://github.com/LongerVisionRobot/Examples_Arduino)
* [Official Tutorial](http://www.arduino.org/learning/tutorials)
* [Github - Adafruit](https://github.com/adafruit/)
* [Github - Tech Explorations Arduino: Step by Step](https://github.com/futureshocked/arduino_sbs/)
* [Geek Workshop](http://www.geek-workshop.com/portal.php?mod=list\&catid=1)

## 1.5.3 Atmel Chips' Data Sheet

* [Atmel](http://www.atmel.com/)

## 1.5.4 AVR C Compiler Resource

* [Savannah NonGNU AVR Libc](http://www.nongnu.org/avr-libc/)
* [GNU AVR-GCC](https://gcc.gnu.org/wiki/avr-gcc)
* [Official Arduino Online Editor](https://create.arduino.cc/)
* [Code Bender Cloud Compiler](https://codebender.cc/)

## 1.5.5 Popular Tools

* [Savannah NonGNU AVRDUDE](http://www.nongnu.org/avrdude/)
* [Savannah NonGNU Simulavr](http://savannah.nongnu.org/projects/simulavr/)
* [AVaRICE](http://avarice.sourceforge.net/)

## 1.5.6 Official Forums

* <https://forum.arduino.cc/>
* <http://www.arduino.org/forums>

## 1.5.7 Popular Ecosystem Forums

* [circuito.io](https://www.circuito.io/)
* [Adafruit](https://forums.adafruit.com/viewforum.php?f=37)
* [Sparkfun](https://forum.sparkfun.com/viewforum.php?f=32)
* [AVRfreaks](http://www.avrfreaks.net/)
* [reddit](https://www.reddit.com/r/arduino/)
* [geek-workshop](http://www.geek-workshop.com/portal.php?mod=list\&catid=1)

## 1.5.8 Arduino Cheat Sheet

The following Arduino Cheat Sheet is cited from <http://robodino.org/resources/arduino>.

![Arduino Cheat Sheet](https://2341898987-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LCFDbcteyTR3tQSs-5x%2F-LCFE4dCRQBMq1ajywfh%2F-LCFECAihj30KK9faEO-%2FArduino%20cheat%20sheet%20v02c.png?generation=1526059557419861\&alt=media)

## 1.5.9 Evolution Tree for Arduino

The following Evolution Tree for Arduino is cited from <http://imgur.com/yGRLPvL>.

![Evolution Tree for Arduino](https://2341898987-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LCFDbcteyTR3tQSs-5x%2F-LCFE4dCRQBMq1ajywfh%2F-LCFECDP_Cr33JN42wqt%2FyGRLPvL.jpg?generation=1526059555073401\&alt=media)