DIY PCB Expansion Board Kit Compatible UNO R3

Feature:

Compatible 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 connection
Heightening special pin design, to prevent short circuit with USB interface

Specification:

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

Package includes:

1 x DIY PCB Expansion Board







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