This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

In a previous article, I discussed LEDs in general and their properties. In this write-up, I want to give some examples of driving LEDs and comparing a few of the most commonly used methods. There is ...

Pulse Width Modulation is definitely the preferred method of dimming an LED with a microcontroller, but we were interested in hearing about a different method called Binary Code Modulation. BCM does ...

Tyler Nehowig has created a handy Smart Nixie Tube that developers can use to create a wide variety of projects and devices, all programmable by the user friendly Arduino IDE. The Smart Nixie Tube ...

Arduino, LEDs and Nixie Tubes? What's not too like? The Smart Nixie Tube is described as the first expandable Nixie Tube display with built-in Arduino Uno compatible hardware. Tyler Nehowig, an ...

Editor’s note: Last fall, EEWeb announced its inaugural design contest, sponsored by Arduino and Altium, to develop an imaginative and innovative design project of a motor control system with the ...