8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller ... we’ll see a complete character or pattern. Connect Arduino pin8 to ...

Just follow the schematic diagram to complete the construction, and use any standard 9VDC Arduino power source to energize the system. Here, for demonstration, three different color LEDs (Red, Green ...

But [Martin Held] built a super simple LED Christmas tree ornament using the ATSAME51 series micro-controller, which he regularly works with and had on hand, and lots of bi-color LEDs. He already ...

This is accomplished by flashing LEDs to illuminate the droplets at just ... The top of the frame has eight nozzles, each fed by its own pump. An Arduino controls the pumps and the lights making ...