Adafruit perma proto hat for pi mini kit with eeprom adafruit 2314 p the adafruit perma proto hat for raspberry pi is like a breadboard you can plug into your pi but with the benefit of having the components soldered on and an eeprom to conform to the hat specification the perma proto boards are the next step on from a traditional breadboard and are useful once your prototype is working reliably to ease the transition the proto boards have a similar layout 2 x rows of 5 x connected solder