Arduino Uno R3 SMD Microcontroller Board - A000073
Arduino Uno Rev3 SMD
The Arduino Uno R3 SMD is a surface-mount version of the classic Uno board, designed for reliable performance in education, prototyping, and embedded development. It delivers the same functionality as the DIP version but with a permanently soldered microcontroller for improved durability.
INFOGRAPHIC OVERVIEW
Microcontroller: ATmega328P (SMD Version) Clock Speed: 16 MHz Flash Memory: 32 KB (0.5 KB used by bootloader) SRAM: 2 KB EEPROM: 1 KB Operating Voltage: 5V Input Voltage: 712V recommended Form Factor: Standard Uno USB Interface: ATmega16U2
KEY FEATURES (Point-by-Point)
1 ATmega328P (SMD Mounted)
Surface-mounted microcontroller
2 USB Communication
ATmega16U2 USB-to-Serial converter
Reliable PC connection
Supports Windows, macOS & Linux
3 I/O Capabilities
Feature | Details |
Digital I/O Pins | 14 |
PWM Pins | 6 |
Analog Inputs | 6 |
UART | 1 |
I2C | Yes |
SPI | Yes |
Standard shield compatibility
4 Power Options
USB powered (5V)
DC barrel jack input
VIN pin support
Onboard voltage regulator
5 Physical Design
Standard Uno R3 layout
Compatible with al>
SMD vs DIP Version
Ideal when durability matters more than chip swapping.
IDEAL APPLICATIONS
STEM Education Robotics Projects Sensor & Motor Control Industrial Prototyping Automation Systems Embedded Product Testing
Why Choose Arduino Uno R3 SMD?
Official Arduino hardware Reliable & classroom-friendly Fully shield compatible Massivbuilding your robotics or electronics product catalog (like your other Arduino boards), this version is ideal for schools and bulk training programs due to its durability.
Feature | Uno R3 SMD | Uno R3 DIP |
Microcontroller | Soldered (SMD) | Removable (DIP) |
Durability | Higher | Moderate |
Chip Replacement | Difficult | Easy |
Performance | Same | Same |

