... for Serial communicationSerialPi Serial;//Needed for accessing GPIO (pinMode, digitalWrite, digitalRead, I2C functions)WirePi Wire;//Needed for SPISPIPi SPI;// Values need for Steinhart-Hart ... les arduPi.cpp, arduPi.h, and arduPi_template.cpp. The les arduPi.cpp and arduPi.h contain the code that will be used to provide support for interacting with your Arduino to Raspberry Pi shield. ... your Raspberry Pi into a home router such as the one you currently use to access the Internet, or a network switch if you have one set up.GPIO pinsThe General Purpose Input/Output (GPIO) pins...