What those blinking lights on your Ethernet port are really telling you

It's easy to ignore your ethernet port's blinking lights, but in reality these signals could be communicating crucial ...
Threat Post

Blinking Router LEDs Leak Data From Air-Gapped Networks

Researchers say sensitive data can be extracted from air-gapped networks via a wireless router’s blinking LEDs. Researchers have uncovered a new data extraction hole inside air-gapped networks that ...
CNET

Researchers: Blinking LEDs leak info

The eyes may be the window to the soul, but the blinking LED lights on a modem are more forthcoming, two researchers revealed this week in a proposed submission to a security journal. Joe Loughry, an ...
GIGAZINE

I tried running and debugging an LED blinking circuit on the RISC-V core of the 'Raspberry Pi Pico 2'

This time, I will try to run and debug the LED blinking using the Raspberry Pi Pico 2 and Raspberry Pi Debug Probe provided by the Raspberry Pi development team. I will use Ubuntu for building and ...
Embedded

Flashing LEDs

Almost every micro-based project that I have designed in the past 25 years has had a flashing LED, originally as a “health” indicator, but the feature has expanded to use as a status indicator where ...
Hackaday

Blinking An LED Passively

It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of oscillator, ...
EDN

Fairy Flashing LED Lights

This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one ‘flashing’ LED and a string of ‘normal’ LEDs. The flashing LED ...