One of new bot’s features will be magnetic position encoders for the wheels. In the past, [Erich] has used the encoder disks that Pololu sells without issue. At 69¢ each, they don’t exactly ...

While it looks quite similar on the outside, there’s plenty of new tech in the updated Super-9 Disc wheel to make you go faster. A wide-tire tubeless rim goes hookless to further reduce rolling ...