These colors match our sensor cables. This makes it really easy to figure out where to connect sensors, or to identify which side

is Analog (blue) or Digital (green).

The Arduino Uno is a microcontroller board based on the ATmega328. 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.

This board added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the

IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the

board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not

connected pin, that is reserved for future purposes.

SPECIFICATION



Microcontroller: ATmega328 (DIP Package)



Operating Voltage: 5V



Input Voltage (recommended): 7 ~ 12V



Input Voltage (limits): 6 ~ 20V



Digital I/O Pins: 14 (of which 6 provide PWM output)



Analog Input Pins: 6



DC Current per I/O Pin: 40 mA



DC Current for 3.3V Pin: 50 mA



Flash Memory: 32 KB of which 2KB used by bootloader



SRAM: 2 KB (ATmega328)



EEPROM: 1 KB (ATmega328)



Clock Speed: 16 MHz



Size: 75 x54 x15 mm (2.95 x2.13 x0.59")



Envionment Friendly: Rohs Compliance

SHIPPING LIST



DFRduino Uno V3.0 x1

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