Elecrow hit Kickstarter with an electronics learning lab-in-a-box based around the Raspberry Pi. A 2nd generation crammed the lab into a laptop form factor. The CrowPi 3 "playground for programming, ...

Then you have to decide what to display on it. [panjanek] came up with a relatively flexible answer to this question, building an RGB LED matrix that can display the GIFs of your choice.

Like all badges the most important design factor was quite literally how flashy it was, and two years ago I delivered on that with ten RGB LEDs ... simple to control, and friendly to a human ...

Those include higher peak brightness and no threat of burn-in. On the flipside, RGB Mini LED will never have the pixel-level contrast control of OLED, and it will struggle to match it for black level ...

Adafruit has recently released the Adafruit Sparkle Motion Stick, a compact, WLED-friendly Neopixel USB controller board built around an ESP32-S3 Module designed for audio-reactive LED projects ...