With the powerful off-the-shelf hardware available to us common hardware hobbyist folk, how hard can it be to make a ...

This is a library of KiCad schematic symbols and PCB footprints for most Arduino modules. You can use them to make your own PCB design which will effortlessly connect with your chosen Arduino module.

A nibble is a 4 bit element, which can hold a value 0..15 (0..F in HEX). It can be seen as an uint4_t type. The nibbleArray is an array that stores 2 nibbles in a byte therefore it is twice as small ...