You can throw a Raspberry Pi camera and OpenCV ... then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a Neopixel could be used as well.

Arnov Sharma built a Raspberry Pi Pico studio light from scratch that can be controlled using push buttons to adjust the LEDs ...

The panels in question are built with RGB LEDs, allowing full-color graphics to be displayed. In this build, a 64 x 32 panel is used for a total of 2048 pixels. A Raspberry Pi Zero runs the ...

The Raspberry Pi 5 already has composite video out, but now it can do interlaced RGB via DPI for sharper CRT output via SCART ...

Over the years, we've covered a few Raspberry Pi plane ... These lines are illuminated by RGB LEDs to indicate when a particular train is passing that location. The color of the track does not ...

Arnov Sharma built a Raspberry Pi Pico studio light from scratch that can be controlled using push buttons to adjust the LEDs ...