Prototyping your own shields with 2.54 pitch PCB breadboards

Prototyping YOUR OWN SHIELDs with 2.54 pitch PCB breadboard

Which is the most annoying thing about the Arduino UNO board form factor?
I would say that everyone agrees on the issue that one of the four I/O connector is not in standard 2.54 pin pitch.
During the past years it has also become some kind of a "new standard", but it is quite a pain in the neck when you want to prototype your own shield with a standard 2.54 pin pitch PCB breadboards.

Highlighted in RED the not-standard 2.54 pin pitch connector of the UNO board (in GREEN all the other standard 2.54 pitch pins)

Thus, if you want to prototype your custom shield, using a standard 2.54 pitch pcb breadboard, you have to exclude that connector, or bent pins, or find some other trick to use the I/O lines 8 to 13.


In LIGHT GREEN, a standard 2.54 pin pitch PCB breadboard (in RED the resulting misaligned connector)

The UNO socket of the Proto Shield Plus provides additional holes to let you mount a connector that will fit the a 2.54 pitch breadboard.
It is up you to mount a male or female connector depending on your needs.

Highlighted in GREEN the additional 2.54 pin pitch holes of the UNO socket of the Proto Shield Plus

In LIGHT GREEN, a standard 2.54 pin pitch PCB breadboard (the additional connector fits it)

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Proto Shield Plus LCD KIT

Proto Shield Plus STARTER KIT