Learn how to make your robot. http://www.societyofrobots.com Build a robot that navigates using sonar and can follow lines. This tutorial won the last SoR Robot contest. http://www.societyofrobots.com/member_tutorials/node/55 An event on Japanese Culture, with a subtopic on Japanese robotics, here in Washington, DC. Included are lots of pics and videos. http://www.societyofrobots.com/misc_Robotopia2008.shtml Short tutorial: learn how to do timing on microcontrollers without using a hardware timer. http://www.societyofrobots.com/microcontroller_time_cycles.shtml A bootloader is a program used to upload .hex files to your microcontroller without a hardware programmer. Learn how to set up a bootloader for any AVR microcontroller. This will also work for the $50 Robot. A seperate in-depth tutorial on bootloader theory is coming soon! http://www.societyofrobots.com/bootloader_50_robot.shtml Learn how computers can be used to computationally simulate and optimize the mechanical structure of your robot. http://www.societyofrobots.com/mechanics_FEA.shtml An addition to the basic UART tutorial, giving you practical step-by-step instructions on how to add UART functionality for any AVR based robot - including your $50 Robot http://www.societyofrobots.com/microcontroller_uart_50_robot.shtml Learn how you can use a microcontroller to transmit useful data by USB, serial, and wireless using the UART. http://www.societyofrobots.com/microcontroller_uart.shtml