Off the shelf RGB colour pickers allowing you to extract and objects RGB values can range from a few hundred dollars to thousands depending on your needs.

Just to quickly flag these ones - if developing Arduino-based IoT Cloud apps, you can now present extra information in widget form... Specifically, Arduino has introduced - for Arduino IoT Cloud ...

Want to try making something cool with Arduino? Right now, StackSocial is selling an Arduino Uno, an introductory online course, and eight different e-books all bundled together for just $75.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...