The HAT connects your Raspberry Pi to the matrix panel and retails for around $15. Last but certainly not least, you'll need an appropriate power supply to give your sign life.

The Raspberry Pi Pico 2 LED will now start blinking. The LED blinking was successful. Below is a movie that captures the blinking LED of Raspberry Pi Pico 2.

The movie time circuits were colored gels, and wouldn’t exactly be practical for a Raspberry Pi-based prop. It’s a great build, and one that would look great in either a ’98 Nissan Altima or ...

This circuit is not complex, but it saved the day in an application involving visual inspection of the spray pattern of fuel injectors for quality and consistency. In this application, xenon strobe ...