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 crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. Arduino Uno SMB [Uno SMB] - $30.00 : FunGizmos, make something fun!
Arduino Uno Overview The Uno is the latest in a series of USB Arduino boards; for a comparison with previous versions, see the index of Arduino boards . Schematic and Reference Design
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