The small arm mounted propeller units are capable of propelling a skin diver through the water with minimal effort and have been created by PeterSripol who built the wrist worn propellers for a ...

For you Arduino fans, here’s a great last-minute Halloween project idea from the guys over at Open Electronics: The basic idea is that they are using an Arduino to monitor ambient audio levels ...

With all of the components ready, I begin to assemble the central motor hub and test code for the air fins. In this series, I will be building a single propeller spherical drone which will be ...