He used an Arduino, and multiplexed RGB LEDs with some digital potentiometers to create a color mixing keypad ... Since each axis of the board has eight pins, it’s perfect for the application.

If you’d like to get more specific, Michael Klements’ Arduino-based scanner lets you quantify colors in numerical RGB values via a TCS34725 sensor. User interface for the handheld device is ...

Each addressable LED has an integrated driver that allows you to control the color ... pin. There is so much you can do with WS2812B addressable LEDs once you learn the basics. However, always ...

When you need to quantify the color of an object ... or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino. Or you can go back to basics and build this reflective RGB sensor ...

Krejci’s tutorial video guides viewers on how to construct an infrared camera using an Arduino UNO, an infrared sensor AMG8833, and an 8×8 RGB LED display ... allows pixel colors to be set ...

For prototyping, Infineon has a RGB LED lighting control shield for Arduino, based around its ARM Cortex-M0 XMC1202 microcontroller. On board is something called a ‘brightness colour control unit’ ...