The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button.
Elk Grove Village is home to the largest consolidated business park in North America. Over 3,600 businesses are located in its 5.4-square-mile (14 km2) business park adjacent to O'Hare International Airport.
Cheltenham Township municipal administrative offices are located at 8230 Old York Road, Elkins Park PA 19027; phone: 215-887-1000. The township was established by English Quakers in 1682. Communities include: Cedarbrook, La Mott, Wyncote, Cheltenham Village and Elkins Park.