It’s a surprisingly complex circuit with a lot of filter components and a mild mystery surrounding the use of a GPIO to pulse the receive side of its detector through a capacitor. One thing led ...

The capacitor charges until the LED lights. This ... use this as a safety light that only works in the dark. A simple circuit, but it just goes to show that we tend to forget the simple solutions ...

By using a single-stage topology with primary-side regulation, an LED lighting board can be implemented ... on-time control is utilized with an external capacitor. Figure 1 shows typical application ...

Our Circuit Design Calculators for Engineers and Students are free-to-use tools that help you quickly determine key parameters ...

A capacitor is a device used as part of a circuit that can store and release ... making it possible to power LEDs. "This increased lifespan compared to batteries may help reduce waste, as the ...