[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying levels ...

ネコちゃんと暮らし初めて、とにかくご機嫌に遊んで過ごしていただきたいと考えるようになりました。毎日誠心誠意ねこじゃらしを振るのに加え、ご自身でも遊んでいただけるものを捧げたくなり、フルカラーLEDテープを使って、センサーで感知すると光 ...

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 an ...

Matching a color you see in the world with a paint color at the store is next to impossible for the human eye. That’s why the Nix Mini 2 exists. This ingenious $70 pocket-sized device is designed to ...

When it comes to color, the human eye is lacking — something that’s a pain for creatives and DIYers the world over. But you don’t need to rely on just your eyesight to find the perfect color. With the ...