This is a musical Tesla Coil driven by an Arduino and Slayer-Exciter. Using an Arduino, you can play music with pure electricity!
A heater similar to commercial one and made for low end tasks. Like PVC or plastic cutting or to heat small knifes and cutters.
A powerful, stable and highly effective soldering iron. Do soldering in a new way with red hot color of tip.
An electric conductor such as iron container placed in the variable magnetic flux is heated rapidly by induced eddy current.
An inductive electronic dice in a 3D printed enclosure without microcontroller, accelerometers, gyroscopes, compass or batteries..