Adafruit perma proto raspberry pi for raspberry pi adafruit 1171 p the adafruit perma proto for raspberry pi helps you make the difficult transition from a breadboard project to a pcb and solder gadget they are laid out with the same hole pattern and markings as a breadboard so you in familiar territory each long edge has two power lines and the centre strips have 5 x pads just like a classic breadboard the traces between pads can be cut if you need to isolate parts of the board or divide