If you thought all Segway-style transportation needed a gyro for stability, think again. Using just standard LEGO NXT2.0 kit pieces, this robot uses a light sensor rather than a gyroscope to keep its ...

[Jim] loves gyros – not those newfangled MEMS devices, but old-fashioned mechanical gyroscopes. His obsession has pushed him to build this gyro stabilized two wheeler. We love watching hacks come ...