Ask MAKE: Three leaded piezo?
I have been experimenting with my Arduino and piezo buzzers as simple speakers – noisy and fun. But one question has been bugging me, what on earth is the third blue lead for on some piezos?
piezo
DIY electronic drum brain for Arduino
The Drum Master project uses sensor filter circuits with the Arduino platform and sends the data over USB for sample playback – The Drum Master system is actually comprised of two parts. The hardware brain module (containing the Arduino microcontroller and a collection of circuits to assist in obtaining the sensor information) is called the […]
