A few years ago, [Frans-Willem] bought a few RGB LED panels ... The panels in question are HUB75 LED panels. In the 32×8 panels, there are six data pins – two each for each color – four ...

When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy ...