Case in point: [Andrew Tudoroi] is drawn to retro LEDs and wanted one of Pimoroni’s micro-LED boards pretty badly ... he included pads for an ARM M0 microcontroller, he never did populate ...

Here's how the makers describe it: Nova is a tiny RP2040-powered board with a 7x10 addressable LED matrix, designed for creative lighting and microcontroller projects. Compact yet powerful ...

The board itself has the familiar ... DISABLE1/2, LED 1/2, and VENDOR_DEFINED. On one level this provides a handy internal microcontroller card with which you can do all the things you’d expect ...