Arduino and Arduino-compatible boards use printed circuit expansion boards called shields, which plug into the normally supplied Arduino pin headers. Shields can provide motor controls, GPS, Ethernet, LCD, or breadboarding (prototyping). A number of shields can also be made DIY.n official Arduino Uno with descriptions of the I/O locations. An early Arduino board with an RS-232 serial interface (upper left) and an Atmel ATmega8 microcontroller chip (black, lower right); the 14 digital I/O pins are located at the top and the six analog input pins at the lower right.
About. 1  Danica Patrick is a 34 year old American Auto Racer. Born Danica Sue Patrick on 25th March, 1982 in Beloit, WI, she is famous for Finished 4th in Indy 500. 2  Danica Patrick is a member of the following lists: 20th-century American racing drivers, 21st-century American racing drivers and Barber Pro Series drivers.
Her mother Mahalia was a homemaker; her father Christopher is a real estate developer. Danica and her sister Crystal McKellar both maintained professional acting careers as children, but with a strong emphasis on education as a priority.