Arduino Proto Shield
Make your projects rock solid with the Arduino Prototyping Shield. It makes it easy for you to design custom circuits and solder electronics directly on it.
The Arduino Prototyping Shield makes it easy for you to design custom circuits. You can solder parts to the prototyping area to create your project, or use it with a small solderless breadboard (not included) to quickly test circuit ideas without having to solder. It's got extra connections for all of the Arduino I/O pins, and it's got space to mount through-hole and surface mount integrated circuits. It's a convenient way to make your custom circuit and Arduino into a single module.

The wide prototyping area has some extra features:
  • 1.0 Arduino Pinout
  • 1 Reset Button
  • 1 ICSP Connector
  • 14 pin SMD footprint (50 mils pitch)
  • 20 pin Through Hole footprint (100 mils pitch)
You can find your board warranty information here.
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OSH: Schematics
Arduino Proto Shield is open-source hardware! You can build your own board using the following files:
The Proto Shield bring the power from the Arduino standard 5V and GND pins to the two power bus rows placed between the Through Hole package footprint, which can be used for powering the DIP sockets, or for power and ground rows.
SPI Connection
On the ICSP connector only 5V, GND and RST are wired tot the respective pins on the header. MOSI and MISO are present only on the connector.

For more information about the SPI communication see the SPI library.
Physical Characteristics
The maximum length and width of the Proto Shield PCB are 2.7 and 2.1 inches respectively. Three screw holes allow the shield to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.