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Catalogue : Arduino, Pi, Microcontrollers and Kits : Arduino, Raspberry Pi and Microcontrollers : OSEPP™ : OSEPP™ Arduino Boards

OSEPP™ Uno R3 Plus


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The OSEPP Uno R3 Plus board is the basic starter model. It serves as a great starting point to the wonderful world of Arduino. This board uses the 8-bit, AVR, RISC-based ATmega328P microcontroller from Atmel. New in R3 is added SCL/SDA pins next to AREF header and also added IOREF pin to power header. Built on the 'open-source electronics prototyping platform', and compatible with existing Arduino software lilbraries.

• 8-bit AVR RISC-based microcontroller running at 16 MHz
• Connects to a computer via a standard USB cable
• Flexible power source (USB or DC power)
• ICSP header for programming microcontroller
• Compatible with existing Arduino software libraries
• Compatible with the Ethernet and Motor Controller Shields
• Molex connector for easy connect to OSEPP sensors and other I2C devices

This board is based on the Arduino Uno designed by Arduino, and is released under the Creative Commons Attribution Share-Alike License.

The original design can be found at:


  • Microcontroller: ATmega328P
  • Clock Speed: 16 MHz
  • Flash Memory: 32 KB
  • SRAM: 2 KB
  • EEPROM: 1 KB
  • Operating Voltage: 5V
  • Input Voltage: 6-12 V
  • Digital I/O Pin Count: 14, including 6 for PWM
  • Analog Input Pin Count: 6
  • Other Connections: Mini-USB, ICSP for ATmega328P, DC power connector, 4-pin latchable Molex connector
  • Dimensions: 75.0 x 54.0 x 15.5 mm
  • Power Source: USB or external DC power supply