The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

I needed a basic Limiter for podcasting purposes after a fairly cheap commercial unit had failed. Rather than buy another, I ...

A battery backup for the solar-mains hybrid lamp design that supplies a constant light output regardless of available solar ...

Mastering the nuances of modern ac-dc power supply selection ...

Solid state isolators (SSIs) can be an effective tool for providing isolation for programmable logic controllers (PLCs).