From Diodes comes a piezoelectric sounder driver with charge pumps and power stage. Called PAM8904, it drives sounders at up to 18Vp-p from a 3V power supply. “Bringing higher volume with a 20Hz to ...

The cheap piezo sounder disks will also generate electricity if you bend them and also have a resonant frequency, but here they are not being mounted in a way that causes them to do that and are ...

Advanced features on IS-320 include piezo sounder, door contact input, reader/keypad/keyswitch input, remote arming and sounder inputs, monitor door and Fail Safe/Secure modes.

Features an eight bit word data output format. Keypad uses solid state piezo sounder technology to provide audible feedback. Selection of colours available. Can be wired in parallel with any other ...