[TomTheGeek] built a LEGO tank with a PicAxe controller. Locomotion is supplied by a Lego Power Function motor controller. He cut an LPF extension wire in half so that he could patch into the PWM ...

[Yoshihito Isogawa] almost never employs non-LEGO parts in his creations. He created an excellent centrifugal pump out of 100% LEGO. While mostly a curiosity, you can definitely get a sense of how the ...