The Arduino has been used for many purposes, and “shields” are available to make many common tasks easier. However, [Nick] wanted a stackable motor driver shield, so he build one hims… ...

Brushless motors are ubiquitous in RC applications and robotics, but are usually driven with low-cost motor controllers that have to be controlled with RC-style PWM signals and don’t allow fo… ...

Olympia Circuits Teases Arduino Programmers With $60 Arno Shield by Ray Willington — Monday, April 29, 2013, 05:50 PM EDT Comments ...

The shield kit won't be cheap when it arrives on May 2nd for $60, but it may prove the real bargain for tinkerers who want a full-fledged Arduino board as soon as the training wheels come off.

The watch itself runs off an Arduino board, and manages to fit a Bluetooth module and 3.7v battery into the 3D-printed watch case. You can see the entire build documented on Davis’s Tinkernut ...