DESCRIPTION

The Uno R3 SMD is an Uno compatible version of the latest R3 iteration of the Arduino Uno, which is the most popular of the many development boards available for hobbyists.  It uses an SMD version of the microprocessor rather than the older style DIP package used on the original product and has some additional features.

KEY FEATURES OF UNO R3 :

• ATmega328 processor running at 16MHz
• using Atmega16U2 chip instead of 8U2 (no extra IDE drive required)
• 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: 40mA
• DC Current for 3.3V Pin: 50 mA
• Flash Memory: 32KB (ATmega328) of which 0.5KB used by bootloader
• SRAM: 2 KB (ATmega328)
• EEPROM: 1 KB (ATmega328)
• Clock Speed: 16 MHz

Packing list

x1 unit Arduino UNO compatible R3 ATmega328P with Atmega16U2 chip

x1 unit USB B cable