DFRduino Uno R3 Arduino Compatible Microcontroller

The DFRduino Uno R3 is a colorful microcontroller board that is fully compatible with the popular Arduino Uno R3.

This Arduino compatible microcontroller features an ATmega328 AVR processor with 14 digital GPIO General Purpose Input Output pins and 6 analog inputs for connecting to your robot project. PWM Pulse Width Modulation is available on 6 of the GPIO pins for controlling robot motor speeds and other operations.

The DFRduino features a cool black circuit board and bright color coded headers for easy identification. An ICSP programming connector and socketed DIP AVR chip allow this board to be used to program ATmega328 chips for use externally in other projects.

The DFRduino Uno R3 is fully compatible with the Arduino IDE for super easy programming over USB and is easily expandable by attaching a wide variety of Arduino compatible shields.

This microcontroller requires a USB cable for connecting to your computer. It can be powered using batteries, an AC adapter or directly from your computer's USB port.

Microcontroller
Processor	ATmega328
Architecture	AVR
Clock Speed	16 MHz
Data Bits	8
RAM	2 KB
FLASH	32 KB
EEPROM	1 KB
Timers	3
External IRQs	2
PWM Channels	6
Available Inputs and Outputs
Digital GPIOs	14
Analog Inputs	6
I2C Ports	1
SPI Ports	1
UART Ports	1
Microcontroller Features
Reset Button	Yes
ICSP Connector	Yes
Programming Port	USB Type B
UI Features
User LEDs	1
Power Supply and Consumption
Operating Voltage	5 V
DC Current per I/O Pin	40 mA
Power LED Indicator	Yes
Power Supply Voltage	7-12 V
Power Connector	Jack: 2.1mm ID 5.5mm OD Center Positive
Dimensions
Size	75 x 54 x15mm
Weight	45 g
Certifications
RoHS Compliant	Yes

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