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.
Willow Grove Park has given locals and campers from afar the opportunity to enjoy nature and escape from their busy lives for many years. Willow Grove Park is leased by the City of Lake Dallas from the United States Army Corp of Engineers.