it would be awesome to add an accelerometer so you could shake it clear like a standard Etch-a-Sketch. Inside the requisite red enclosure with white knobs are an Arduino Nano and a 16×16 RGB LED ...

What was your first Arduino program? Probably an LED blinker — that seems to be the “hello world” of microcontrolllers. You probably moved on to things a little more complicated pretty quickly.

The combined LED/driver chip on the LED is the extremely compact WS2812B – an improved WS2811 LED driver integrated directly into a 5050 RGB LED – which enables ... Before uploading the code (sketch) ...

Connect pins according to the instructions given above, and download the sketch into Arduino board. If everything seems right, you can power up the Arduino (and the LED matrix) to see the LED matrix ...

If you’d like to get more specific, Michael Klements’ Arduino-based scanner lets you ... along with a 16×2 panel. An optional RGB LED attempts to copy the shade of whatever object you ...

Adafruit has this week announced the arrival of the new Arduino ... of individual RGB LEDs. Compared to NeoPixels, they’ve got great density, power usage and the price-per-LED can’t be beat.