This is a simple blinking led circuit powered from 220V that can be used to mark special places or as voltage indicator. The voltage from the mains charges the capacitor through R1 resistor and D1 ...

There are plenty of utilities out there to control keyboard LED indicators, but I'm rather interested in controlling the power LED on my headless 1U rackmount. While theoretically there are tons of ...

The Samsung Galaxy Note 9 has a big screen that’s always on and a bright blinking notification LED at the top. And while these are features most people love you can disable them if you want. In this ...

Raspberry Pi Pico 2 ' equipped with the proprietary microcomputer 'RP2350' was released on Friday, August 9, 2024, Japan time. The Raspberry Pi development team received the actual Raspberry Pi Pico 2 ...

One of the cool new functions of iOS 5 is the ability to set the iPhone’s LED to flash for various system level alerts… but how useful is that functionality when the LED is on the back of the phone?

Flashing, spinning, and oddly blinking LED indicators have become the modern equivalent of red warning lights on a car dashboard. Rather than giving every potential problem and function on a ...

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 ...

This guide explains how to enable and turn on the LED notification light on the new Google Pixel and Pixel XL. It’s something almost all Android users enjoy, and the Pixel indeed has one, it’s just ...