That’s the question [Kathy] asked when she built this LED matrix light pen project. It looks simple ... signal up to a reasonable level for an Arduino Uno to detect. The result is impressive ...

What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project ...

Not only does the final project result in a lot of blinky, glowey things, but driving hundreds of LEDs is an achievement ... plan was to drive these with an Arduino, but with so many pixels ...

The Nova is a tiny RP2040 board with a 7x10 LED matrix for creative projects. It works with MicroPython and Arduino IDE, offering the potential for various applications. Interested crowdfunders ...