Scanning at 80 frames per second he gets a nice, flickerless display. To make both the LED matrix circuit board and the control board, [Joekutz] carved out isolation paths in copper clad boards ...

There’s a walk-through for using it to create an LED matrix and you can even try it ... there are buttons that let you view the schematic, the board, a 3D render of the board, a BOM, an assembly ...

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 ...