The surface mount SOIC version of this chip was slightly ... How [Czar] did it is fairly impressive, as it’s a bit more flexible for breadboard designs than a through-hole version, and done ...

Compatible with Arduino and Raspberry Pi, it can almost meet all your needs. (Without Microcontroller Board) Breadboard and Power Supply Modules-Include various LEDs, resistors, buttons ...

A few things might inhibit an Arduino, AVR ... and connectors in the schematic can just be breadboard wires if you don’t want to mount actual pins. The USB “connector” assumes that pin ...