We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...

then onto the communication circuit, and finally the lights. The video below shows a fully-functional Arduino happily running the blink program. He plans to encase the brass portion in resin to ...

That makes it ideal for applications like robotics or controlling smart blinds that react to light. With me so far? Here is a ...

If you're developing a wrist watch, a small light-following ... started with Arduino. Using the USB on your computer is just ...