Evolution Of A Form Factor From An Accidental Success An early Chinese-made Pi Model B from 2012. The first Raspberry Pi that we could buy back in 2012 was not the polished production of a slick ...

the first Raspberry Pi prototype was the size of a flash drive with USB on one end and HDMI on the other. In 2012, the circuit board expanded to roughly 3x5 inches, and the $35 Pi 1 Model B was ...