Piezo Element Amplifier for Guitar and Violin

https://www.electronics-lab.com/project/piezo-element-amplifier-for-guitar-and-violin/

The board presented here is a preamplifier for contact microphones that are used for amplifying the sound of musical instruments which do not contain electrical pickups, such as guitar and violins. Most contact microphones use a piezo element to convert vibration in the body of the musical instrument to a voltage. The circuit is built […]