You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino.

[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 lev… ...

The device can output to UART serial, SPI, I2C, digital out, or analog out, a PC/Mac app called PixyMon shows what the sensor is seeing when plugged in, and of course Pixy can be hooked to a ...

At the core of the Arduino PLC Starter Kit lies the Arduino Opta mini PLC, a state-of-the-art microcontroller that serves as the brain of your automation projects. This powerful device boasts ...

Detection of objects with a varying color pattern, an uneven surface, and in tight spaces is the bailiwick of Balluff’s BFS 33M true color sensor ...

Software development is typically Arduino, via Arduino sketches, tutorials and libraries, and support for standard IEC 61131-3 PLC languages it scheduled – through the Arduino PLC IDE, which currently ...