1A Constant current LED driver shield for Arduino Nano has been designed for verity of LED related applications. The shield provides accurate LED current sink to regulate LED current in a string of LEDs or single LED. The LED current is mirrored from the current flowing from the RSET...

Chromatron is an open source Wifi pixel controller designed to make LED pixel projects easy and fun. Hi, I'm Jeremy! I've designed a toolkit for making art with LED pixel strips, and I'd like to share it with you! Chromatron takes custom designed hardware and feature-packed firmware,...

Sanket @ octopart.com tipped us with his latest blog post about voltage regulators and how to select them. All electronics projects need power. Power can come from either stored energy in a battery, or directly from mains AC voltage or DC power from renewable sources such as solar...

The creator of the CircuitLab simulation software, now used in electronics courses at MIT, CMU, and other top universities, has just released the first few chapters of a new book. It's called "Ultimate Electronics: Practical Circuit Design and Analysis," and it's available free online....

Using solar energy to split water provides an efficient way for large scale renewable energy conversion and storage. A group of researchers from TUDelft and AMOLF have successfully developed an efficient and stable photo-electrode that could improve water splitting with solar...

Despite ATtiny series is considered extremely cheap and useful, still there is a lack of projects and tutorials about it. In this tutorial, you will learn how to start building applications using ATtiny13 microcontroller programmed using Arduino IDE. First of all, ATtiny13 is a...

Make Your Own Pic Programmer and Debugger. by reviahh @ reviahh.wordpress.com After using the Microchip tools to program and debug the projects I work on, I wondered about creating my own programming/debugging module that I could put on my own boards – just like Microchip does with...

With a $99 evaluation kit/module, Texas Instruments aims to widen design-ins of its projection-based, ultra-compact display technology. By Graham Prophet @ eedesignnewseurope.com Developers can, TI says, implement DLP (‘digital light processing’) display technology with almost...