Description

Arduino Uno SMD R3

The Arduino Uno SMD R3 is a microcontroller board based on the ATmega328P, using a surface-mount version of the chip. It offers the same functionality as the standard Arduino Uno but with the microcontroller soldered directly to the board instead of in a socket.

Specifications:

  • Microcontroller: ATmega328P (SMD)

  • Operating Voltage: 5V

  • Input Voltage (recommended): 7–12V

  • Digital I/O Pins: 14 (6 PWM outputs)

  • Analog Input Pins: 6

  • DC Current per I/O Pin: 20 mA

  • Flash Memory: 32 KB (ATmega328P)

  • SRAM: 2 KB

  • EEPROM: 1 KB

  • Clock Speed: 16 MHz

  • USB Connector: Type-B

  • Dimensions: 68.6 mm x 53.4 mm

This board is ideal for beginners and makers looking for a reliable development platform. The SMD version is more compact and cost-effective, but unlike the DIP version, the microcontroller is not easily replaceable.

You can learn more or purchase the official version from the Arduino Store:
store.arduino.cc/products/arduino-uno-rev3-smd

 

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