The Arduino Uno can be programmed with the Arduino software. The board can operate on an external supply of 6 to 20 volts. Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector.
The adapter can be connected by plugging a 2.1 mm center-positive plug into the board's power jack. External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The power source is selected automatically. The Arduino Uno can be powered via the USB connection or with an external power supply.
The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. "Uno" means one in Italian and is named to mark the upcoming release of Arduino 1.0. Instead, it features the Atmega16U2 programmed as a USB-to-serial converter.
Arduino controller driver#
The Arduino Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Or power it with a Wall Adapter Power Supply - 9VDC 650mA or DFRobot 7.4V Lipo 2500mAh Battery (Arduino Power Jack) to get started. It contains everything needed to support the microcontroller simply connect it to a computer with a 1.5m USB Cable Type A to B It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. The Arduino Uno is a microcontroller board based on the ATmega328 microchip.
Data Communication and Human Input Devices.
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