Piezo Tech Blog

Schematic when power is connected at J1, the NC port is On, NO is off. D1 becomes on. When SW is pressed down, NO becomes on, NC off,...

youtube: https://youtu.be/jWpOd1W0ebY?si=kLNsL7_ux9OFiQSf Transformer: pcb step down transformer | Piezo Active Tech

A piezoelectric diaphragm works as both a touch sensor and buzzer (actuator). Milled PCB pieces 3d PCB assembly Sensor and buzzer...