As an alternative to an Arduino Nano, Uno, or Mega, you can use a Raspberry Pi, a PSoC, a Teensy 3.2, an XLR8, or a ShieldBuddy to control your NeoPixel applications. As an alternative to an Arduino ...

NeoPixels, or WS2812 RGB LEDs, are the display device du jour for impressive and blinding lighting projects. Commonly known for very tight timing requirements, [Josh] discovered this is, in fact, ...

Learn how to use NeoPixel rings with Arduino UNO and a rotary encoder. NeoPixels are great, because you need only one data wire to control any number of pixels you want, allowing to show any color.

Install any Bluetooth RC car app on your Android device. Pair your Android device with the HC-05 Bluetooth module. Use the app to send commands to the car for forward, backward, left, and right ...

Good grief! I simply cannot believe that we’re already at Part 7 of what was originally conceived as a trio, triad, or troika of articles. In my previous column, we wrote some simple Arduino sketches ...

It’s got a little “Saturday Night Fever” vibe to it, but this pressure-sensitive LED floor was made for gaming, not for dancing. Either way, [creed_bratton_]’s build looks pretty good. The floor is a ...