Robotics can be a difficult hobby to jump into, but the Arduino and the 4WD Robot Platform make it easy for you to build an awesome robot without a struggle!
This fun and easy project shows you how to create a simple input device with little more than a cheap piezo sensor, an old mousepad, and an Arduino board.
Shown here is a simple method for A) removing a stay tab from a soda can with the rivet-ring intact, and B) attaching the tab to a wooden frame or board using the rivet ring.