• Robot Operating System (ROS), collection of software frameworks for robot software development.
  • ROS, Robot Operating System.
• SLAM, Simultaneous _localization and mapping.
• Player Project, project to create free software for research into robotics and sensor systems.
• Carmen Toolkit, Carnegie Mellon Robot Navigation Toolkit.
• Ultrasound and Microcontroller Applications.
• Simple infrared obstacle avoiding robot control.
• InfraRed robotic ideas.
• Intelligent Camera for Object Identification and Tracking.
• The Code Store, Robot Builder's code example store.
• Building an Arduino Robot, Part IV.
• Using the I2C Bus.
• MAYA Telepresence Rover.
• Low cost boot arm.
• SAM - Somewhat Autonomous Machine (Arduino)
• G-Code library
• Brainless robot circuits

• Basic Servo Motor Controlling with Microchip PIC Microcontroller

• DC motor servo driver chips - old: SN76604/SN28654=B654, ZN409, NE544 1, newer: NJR2611, M51660, M52461, M64611, AA51880
• H-Bridge drivers - L298
• Hobby Servos, ESCs And Tachometers (AA51880 with external MOFET circuit)
• m51660l and l298d connections for DIY servo
• How servo motors work?
• Radio Control Servos and Speed Control
• Converting an Ordinary DC Motor to a Servomotor
• Magnetic Rotary Encoder v1.0
• Make Your Own Low-cost Servo
• DIY Servo Motor
• MC33030 DC Servo Motor Controller/Driver

• Drive Motor Sizing Tutorial and calculator

• Recommendations for nylon gears - use no lubrication. Others recommend “Labelle 106”, “Molykote EM50”, maybe “INOX MX6”.
• 4 Types of Lubricants and How to Use Them

If any referenced page no longer exists, try looking for its URL on http://archive.org.
Robotshop.com incorporates LetsMakeRobots.com (LMR), GoRobotics.net, and Lynxmotion.net so if looking for links from Robotshop.com to old discussions you might need to hunt in the archives of those sites.