3Pcs DIY PCB Prototyping Protoshield Expansion Board Kit Compatible UNO R3 For Arduino

Feature:

Compatible Arduino pin, completely separate pad, easy to build your own circuit
Dual IO interface, you can solder sockets, multilayer expansion
Double-sided PCB
IO have a patch pad on the back, easy flywire connection
Heightening special pin design, to prevent short circuit with USB interface

Specification:

Model: Proto Shield R2
Size: 68 x 56mm
Colour: Black
Material: Fiberglass substrate, gold

Package includes:

3 x DIY PCB Prototyping Protoshield Expansion Board