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 ...

Security researchers have uncovered a new attack method, “Glowworm,” that can recover audio from a device’s LED power indicator light. In a new paper, researchers from Ben-Gurion University say an ...

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 ...

Security researchers from the cyber unit at the Ben-Gurion University of the Negev in Israel have a good track record of leftfield thinking regarding eavesdropping on your conversations. Forget ...