Arduino study plan
Ideas[edit]
http://electronics.wisc-online.com/DCE.asp
http://www.ibiblio.org/kuphaldt/electricCircuits/
http://www.eskimo.com/~billb/miscon/elect.html
http://www.phy.davidson.edu/instrumentation/NEETS.htm
http://www.usna.edu/EE/ee301/internal/Applied_EngineeringPrinciples.pdf
"Art of Electronics"
"Getting Started in Electronics" by Forrest M. Mims III.
http://www.allaboutcircuits.com/
http://ladyada.net/learn/arduino/
Basic robot instructions! But not for arduino... http://www.societyofrobots.com/step_by_step_robot.shtml
Controller design http://www.hassockshog.co.uk/motor_controller_description.htm
Learning by discovery http://books.google.com/books?id=PQzYdC3BtQkC&printsec=frontcover&dq=electronics+charles+platt&ei=_rEmS4fNIIm4kwS5osDbCw&client=firefox-a&cd=1#v=onepage&q=&f=false
http://www.arduino.cc/playground/Tutorials/GPS
http://www.ladyada.net/rant/2008/06/new-kit-gps-logging-shield-for-arduino/
cheap soil moisture sensor http://www.cheapvegetablegardener.com/2009/03/how-to-make-cheap-soil-moisture-sensor.html
lots of projects by category http://blog.makezine.com/archive/2009/12/open_source_hardware_2009_-_the_def.html