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Reaching a strategic partnership, Arduino S.r.l. together with ALSRobot have launch Chinese edition Arduino UNO R3 controller. Arduino UNO R3 (Chinese Edition) adds SDA and SCL port. There are two sides of the new port, easy to adapt to the new expansion board. There are two new ports besides RESET, which are easy to adapt to the new expansion board. Made In Italy, please notice the  Arduino tag.
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 ceramic resonator, 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.


  • Microprocessor: ATmega328
  • Operating voltage: 5V
  • Input Voltage (recommended): 7-12V
  • Digital I / O ports: 14 (4 PWM outputs)
  • Analog inputs: 6
  • DC current I / O ports: 40mA
  • 3.3V DC current port: 50mA
  • Flash memory: 32 KB (ATmega328) (0.5 KB for bootstrap)
  • EEPROM: 1 KB (ATmega328)
  • Clock Frequency: 16 MHz

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