The circuit has been designed for loudspeakers to provide a monitoring scheme of audio power being supplied which will determine that any setup will not be required without the presence of a power ...

This is a 1.2 – 12 V, max 1A power supply with a low voltage indicator LED. The indicator part includes three diodes and one LED. For example you are charging a battery, you can observe the charge ...

If you’re working with 3.3V or 5V circuits, it’s easy for you to throw on a power or status LED here or there. [Tom Gralewicz] has found himself in a pickle, though, often working on projects with ...

The recall of INIU’s compact power banks is not an abstract safety notice, it is about a specific pocket-size gadget that may be sitting in your bag, desk drawer, or car console. One small design ...

The S-82x9 family of voltage-monitor + LED-driver ICs developed by ABLIC provides simple solutions for 3- to 5-segment battery status displays in cordless tools and other portable electronics. All ...

Computer monitors often include one or more LED indicator lights that show these devices' operating status. Monitor manufacturers can build a set of signals -- made up of sequences of LED flashes and ...