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 ...

While some netbook makers *cough* *MSI* *cough* seem to feel the need to throw so many status LEDs on their case that it’s tough to tell what any individual blinking light means at a glance, others ...

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 ...