A piezo disk transducer is a handy part for reproducing beeps and boops, and can also function as a rudimentary microphone. Being a piezoelectric element, it can also generate usable power. Enough to ...

Piezo discs have been around since the 1970s, and such cheap (and easy-to-handle) discs are widely used by avid electronic hobbyists and experimenting musicians all over the world. A piezo disk ...

Unlike other microphones, a contact microphone makes you look at the world in a different way. At the heart of the contact mic described here is a ceramic piezo-disc, which can be mounted with ...

Electromagnetic motors and drivers are have been optimized for more than 100 years. They can be found applications from toys to aerospace systems. With all their advantages, there are limitations such ...

Motion and positioning devices play an integral role in the life-science and medical engineering fields, fulfilling their many different requirements. The spectrum extends from simple low-energy drive ...

This unique dual harvesting arrangement, which simultaneously harvests energy from magnetic fields and ultrasound sources, can provide more power than either one alone—at no cost. Why dual-source ...