Hi all, First a disclaimer: I work with this guy and he has entered a contest for the most Youtube hits for any user of a certain company's products, so I am trying to get Youtube clicks for him. A co-worker of mine built an awesome electric-powered beach buggy for his disabled daughter. It has all-wheel steering, independent suspension, electric power steering, safety remote control override via RF link, roll bar, and it easily disassembles into parts of a manageable size for carrying and transportation in a car. It uses multiple PIC microcontrollers on a rugged, fault-tolerant networked bus. It automatically detects and compensates for most unsafe conditions (like stuck wheels, overly-aggressive acceleration by the driver, wheel slip, etc.) Letting go of the control joystick automatically engages first dynamic brakes and then upon complete stop, mechanical brakes (which also engage should the electronics fail or the battery go dead) The frame is welded steel tubes. The buggy has an on-board E-STOP switch and key lock. It is powered by two deep-cycle sealed lead acid batteries which are placed low to help with stability. The seat is tailored specifically for the occupant (his daughter Katie) and has a full harness for safety. Please check it out here: http://www.youtube.com/watch?v=V1oY8ruCRyM Sean -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist