Now you pledge support (buy a robot or a shirt) to support Colin’s garage alliance of robot builders and coders. Kick Starter is a really cool way to crowd source funds and interest for your new project. Lots of clever devices you wouldn’t get with the current, odious venture capital game.
Here is a close up view of the new sonar mounts. These make the sonar more reliable. I think one should avoid putting these types of sensors too close to the floor.