Pimoroni Badger 2040 - quick intro

To have some fun I did buy a couple of gadgets from Pimoroni, electronic badges with a 2.9 inch eInk display.
There are two flavor of the board, one basic (Badger 2400)  and one with connectivity (WiFi - Badger 2400W).
A nice way to start to play with the Pico series from Raspberry.

MMCedu project - Introduction

Time ago I wrote an article (Toroid tale) about my early experience in programming.
Electronics always fascinates me, especially digging deep about how things works, so ... here we go with some magnetic core explanations/experimentation and a retro-magnetic core building project, for fun and nostalgia lane.