Hackaday

Color Sensing With An RGB LED And Photoresistor

[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 ...
note

フルカラーLEDテープ(WS2812B)＋Arduinoで、ネコちゃんと遊ぶ

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 ...
EDN

Using small MCUs for color control of LED lighting apps

The adoption of LEDs for general lighting is just around the corner. LEDs offer many advantages in general illumination systems, including longer lifetimes and greater efficiency, but they present ...
note

ラズパイPicoで色の体験器V301

“楽しく”、“ゆったり”、“役に立つ”、電子工作を楽しんでいます。今回は、ラズパイPicoで“色の体験器”にシリアル通信を追加して、パソコンでDB化して、データ分析できる“色の体験器V301”を動かしてみました。 1.色とは ・原色：光の3原色（RGB ...
Machine Design

Sensor Lets Machines See Color Intensity

EMX Industries Inc., introduced the ColorMax-1000, the first color sensor that outputs color intensity. The ColorMax-1000 color sensor has a high-intensity white LED that projects modulated light on a ...
EDN

How to use programmable analog for high-power LED color mixing applications

Abstract: Programmable analog circuitry adds analog functionality to reprogrammable digital electronics. The combination provides flexibility to end users and offers unique advantages to designers in ...