There is no setup needed to use the Arduino Wire library, as it comes installed in the Arduino IDE. You can find the library files by navigating to Arduino/Libraries/Wire, but it's not recommended ...

An Arduino can measure time, a coil and a resistor will create a delay proportional to the circuit values, and metal around the coil will change the coil’s inductance.

Posted in Arduino Hacks Tagged arduino, Circuit Sculpture, CNC shield, spring, wire bender, wire bending ...

YouTube channel How To Mechatronics has created a great tutorial with full instructions on how to create your very own Arduino powered 3D wire bending machine.

How to create a simple laser trip wire alarm, taken from theArduino Project Handbook: 25 Practical Projects to Get You Started.

Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an Arduino, some magnet wire, and any compass-equipped Android smartphone (which is almost all of them).