The 592 Prism series bi-level, surface-mount LED indicators have an illumination area compatible with standard 3-mm, through-hole, bi-level devices. As a result, the indicators provide increased ...

Do you keep any electronics in your bedroom? All the experts say you aren’t supposed to. But my bedroom often doubles as my office, and that means lots of electronics with distracting LED status ...

Signals when an on-circuit battery is exhausted, 5V to 12V operating voltage A Battery-status Indicator circuit can be useful, mainly to monitor portable Test-gear instruments and similar devices. LED ...

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The cult-loved beauty tech brand now has gadgets for nearly every skin—and hair—goal. Every one of the brand’s LED devices is FDA-cleared and CE certified for at-home use. (CE certification is ...

This LED DC voltage indicator circuit is a voltmeter, rather than simply a battery tester. As such it may measure voltages as low as 3V. It utilizes venerable LM741 operational amplifiers applied as ...

Researchers at Ben-Gurion University of the Negev have demonstrated a novel way to spy on electronic conversations. A new paper released today outlines a novel passive form of the TEMPEST attack ...