[Jason] has continued to plug along with his sonar build and recently showed up a monostatic active sonar using a piezo element and microphone. Regular readers will remember [Jason’s ...
most acoustic-electrics still come with a single onboard piezo pickup located under the bridge saddle. It may be a dual ...
A piezoelectric microelectromechanical system ... As a bonus, the chip also functions as both a microphone and speaker. Today ...