TL;DR: Match colors precisely every time with the Nix Mini 3 color-matching sensor, on sale for just $79.99 (reg. $97) for a limited time at the Mashable Shop. We’ve all been there — a color ...

Using the SS49E linear Hall effect sensor in pairs on four sides of a ... [John] utilises the Arduino pro micro for its copious analog inputs and USB functionality. A nice feature of this board ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close ... object size, shape, ...

When you need to quantify the color of an object ... or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino. Or you can go back to basics and build this reflective RGB sensor ...