Superliminal Advertising!) either have a chip capable of USB or rely on a V-USB implementation, the old fogies of the Arduino world, the Uno and Mega, actually have two chips.

[Rafael] just made a little library that allows you to interface these modules to the Atmega328p-based Arduino UNO in order to gain some memory space.

This simulator is made by themselves and programmed with an Arduino UNO , using IBT -2 H- Bridge to control the Smokies Motors 24V .