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.
The Willow Grove Park Mall is located on the site of the previous Willow Grove Amusement Park in the unincorporated community of Willow Grove in Abington Township, Montgomery County, Pennsylvania, 15 miles (24 km) north of Center City Philadelphia in the northern suburbs of the city.