I decided to start my own arduino mower project, with a twist.Rather than have it be radio controlled, I'm using a joystick for now (Eventually steering wheel and gas pedals), with a live streaming cam.The plan is to be able to control it from my couch at home, and mow the lawn from inside (Where it isn't 100 degrees).Follow progress at my blog:http://mowstation.blogspot.com
Safety was definitely one of my major concerns as soon as I drove the robot into the drywall in my basement It has the following failsafe measures:*Power Off Switch on robot (Actually 3 available switches, Cut Power / Turn off Wheel Chair / Disable Connection between Chair and Arduino)*Router -> Arduino Failsafe, If the robot goes 200ms without a signal from the router, it cuts power to the motors*Base Station Kill Switch -> Button on remote joystick that will kill power to the chairI like the idea of a wide angled cam. I will definitely add that. Also, The camera I have now is on a turret system, so I can use it to look up down left and right (from the hat switch on the joystick... not head mounted, but works pretty well.)Proximity sensors seem like a good idea for the future. For now I'll probably do a contact switch to the motors.