One of these things are the ICSP headers. They are those six pins that stick out ... has created a microcontroller (chip) that Arduino uses in its prototyping boards like Arduino UNO, make sense? All ...

headers for full Arduino pin access, and ICSP header for AVR microcontrollers. The shield is now available on Burgessworld’s Tindie page for $23.95. This includes several brass standoffs, 5V 2.5A ...

"Intel and Arduino ... designed for the Uno R3 (also known as the Arduino 1.0 pinout). This means that it has 14 digital I/O pins, 6 analog inputs, a serial port, and an ICSP header.