This bot originally had an Intel Atom netbook for the brains and Wifi connectivity. Replaced with a Raspberry Pi for a smaller footprint and efficient power consumption. A USB joystick connected to a PC with the client Python script can connect to the server Python script on the bot and control the direction (including strafe) with the joystick. A few HAL 9000 sound bites on the server are played automatically and some manually from the client script. Plan is to add sensors for a autonomous roving option as well as a webcam for video while driving. The most difficult part for me is the suspension system, created from scratch with no suspension knowledge at all. The 3 multidirectional wheels and motors put out so much power the electronics on the chassis bounced around. Not wanting to take the easy hot glue way out, I rigged up dollar store springs to the chassis and wheels. If you have other ideas that are low cost let me know in the comments.