Adafruit pi plate with terminal block headers adafruit 801 p the adafruit pi plate helps you make the difficult transition from a breadboard project to a pcb and solder gadget they are laid out with a breadboard style area an area of individual solder pads and a set of pads to take a surface mount ic with up to 16 pins all the pi signals are brought out to sets of pads grouped by function for example power spi i2c etc the traces between pads can be cut if you need to isolate parts o