Mechanical design and actuators Technical discussions about mechanical parts including chassis, motors, servos, wheels, and more. Upcoming events Information about robot contests, conferences, and meetings, around the world. Share your projects Show everyone what you've built! Don't forget pictures of your creations. Resources Links to suppliers, software, tutorials, and more. Wireless and radio Technical discussion about wireless communications devices, GPS receivers, and other radio applications. Electronics Technical discussions about electronics, sensors, circuit design, and testing. Miscellaneous A place to talk about anything that does not fit in one of the above categories. Software and microcontrollers Technical discussions about software, control algorithms, and programming languages.