Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

You can adjust the spinning speed with a potentiometer and you can also set a minimum and maximum speed in the code. You will need an Arduino board, a potentiometer (I have used a 50K one), as many ...

Before the software part, let's first set up the circuit to connect the LED to the Arduino. The completed circuit should look like Figure 2. Figure 2. Circuit for a Single LED Blink Next, in your ...

After reading all the response to the Arduino KIM emulator thing, I’m staggered by this! In case none of you have ever seen the circuit for a KIM-1, SYM-1 or AIM-1, this is pretty much how we ...

Olympia, WA, April 29, 2013– Olympia Circuits introduces the Arno Shield to expand their line of products for new Arduino users. The Arno Shield contains all the components necessary to learn ...

Then he holds up a baseball cap with LEDs stitched into the fabric. Most didn’t realize their instructor, a rising star in the DIY-electronics movement, is also a 12-year-old. “This is a Gas Cap.