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Aduino UNO R3

Product Code: Aduino UNO R3
Availability: In Stock
Ex Tax: RM39.00

Quick Detail:
UNO R3 2012 launched an easy to use open-source controller hardware and Arduino UNO and no major changes, the biggest difference is that USB to serial part of the circuit switch is a ATMega16U2 microcontroller, whichthe cost increase, the software part of the same as before, no major changes.

Pin changes plus two I2C pins (SDA and SCL: next to the AREF pin, the Analog 4 and 5 copy, not the additional I2C interface), added two pins, theRESET next one is IOREF, , allowing the expansion board to adapt to on-board voltage, this pin is just told to expand the board's current on-boardvoltage (such as UNO is 5V, the power supply pin can be seen as copy, does not provide the level pull-up), and the other is after inactiveplaceholder pins.

  • MicrocontrollerATmega328
  • Operating Voltage5V
  • Input Voltage (recommended)7-12V
  • Input Voltage (limits)6-20V
  • Digital I/O Pins14 (of which 6 provide PWM output)
  • Analog Input Pins6
  • DC Current per I/O Pin40 mA
  • DC Current for 3.3V Pin50 mA
  • Flash Memory32 KB (ATmega328) of which 0.5 KB used by bootloader
  • SRAM2 KB (ATmega328)EEPROM1 KB (ATmega328)
  • Clock Speed16 MHz


Microcontroller ATmega328
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 (ATmega328) of which 0.5 KB used by bootloader
SRAM 2 KB (ATmega328)
EEPROM 1 KB (ATmega328)
Clock Speed 16 MHz


Schematic & Reference Design


Uno R3 Mega328p Atmega16u2 for Arduino Compatible

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