Here’s another really cool DIY Segway. Of course, if you want to build one yourself, don’t forget to check out this blog post on how to make your own segway here. (and custom segway mods here)
The frame was modeled in CAD and then welded together. For propulsion [Mark] has installed two 750 Watt motors which will use sprockets and chains to turn the wheels. The machine balances based on data from both a gyroscope and an accelerometer, with the entire packaged tied together using an Arduino.