John Jay based in Georgia, USA, is a retired engineer who designed some boards for the Raspberry Pi to help his partner to learn Raspberry Pi. Although at first it was a small act that just for his friends, but with the growing people in the open-source community participating, more and more people find that these packages really works. So, he decided to releases these kits. Cooperated with Elecrow, these packages have been produced quickly. And here with Elecrow, we not only ensured the quality, but also released and collected the usage or Experiences of these kits, to help more people enter the world of Raspberry Pi as quickly as possible
This Protect Your Pi Kit has two chips that Expand the I/O with Serial Interface, 32 points total, and Each point can be configured as an input or output. This kit not only expands the I/O port of Raspberry, but also protects the I/Os of Raspberry Pi. Please refer to the Solder Guide for the soldering and usage.