Research

We will post here all resources from the net that we got ideas from or that we learn from.

Balance Filters:
http://web.mit.edu/scolton/www/filter.pdf

Kalman Filter:
http://arduino.cc/forum/index.php/topic,58048.0.html
http://www.instructables.com/id/Guide-to-gyro-and-accelerometer-with-Arduino-inclu/
http://en.wikipedia.org/wiki/Kalman_filter

ESC Calibration:
http://code.google.com/p/arducopter/wiki/AC2_ESC

Stabilization System:
http://technicaladventure.blogspot.com/2012/09/quadcopter-stabilization-control-system.html
http://diydrones.com/forum/topics/quadcopter-control-function-layers

Some values for reference:

http://wiki.openpilot.org/display/Doc/The+Michel+Pet+Micro+Y6

ITG-3200 Triple Axis Gyro:

http://www.sparkfun.com/tutorials/265

ADXL345 Accelerometer:

http://www.sparkfun.com/tutorials/240

6 Degrees of Freedom - Sparkfun:
http://bildr.org/2012/03/stable-orientation-digital-imu-6dof-arduino/

Arduino - Adding more interrupts To Read More RC Channels:

http://rcarduino.blogspot.co.uk/2012/03/need-more-interrupts-to-read-more.html

DJI Flame Wheel:

http://www.dji-innovations.com/products/flame-wheel-multi-rotor/downloads/

Understanding how Accelerometers and Gyros work:

http://www.starlino.com/imu_guide.html

Eagle: Schematics

http://www.sparkfun.com/tutorials/108

and libraries:

http://www.cadsoftusa.com/downloads/libraries

Burning the bootloader to the ATMEGA chip:

http://arduino.cc/forum/index.php/topic,61776.0.html

http://www.3guys1laser.com/blog-burn-bootloader-blank-atmega328atmega328p-arduino-uno

Controlling the ESCs using the Arduino Servo.h library:

http://techartblog.blogspot.com/2010/09/ducted-fan-and-arduino.html

Understanding PPM (in order to read the R/C channels and write to the ESCs):

http://www.arduino.cc/en/Tutorial/PWM

http://www.instructables.com/id/How-to-Make-400Watt-Brushless-Mini-Sumo/step6/How-to-control-ESC-with-arduino/

http://arduino.cc/en/Reference/Micros

http://arduino.cc/en/Reference/ServoWriteMicroseconds

http://learn.parallax.com/node/179