USB-C UNO R3 Board I2C & UART Breakouts Extra A6/A7 Analog Pins Arduino Compatible Type-C Port ATmega328P-AU Microcont

About NULLLAB

We specialize in designing and developing high-performance peripheral modules, electronic components, and DIY kits tailored for the global maker community. Every NULLLAB product is built with precision and reliability in mind. Whether you are a student, a teacher, or a professional, NULLLAB provides the building blocks to turn your ideas into reality.

USB-C UNO R3 Board

- 100% compatible with Arduino UNO R3 board. Upgraded to ATMEGA328PB-AU microcontroller. Based on Arduino UNO footprint.

- Extra A6/A7 analog pins, I2C & UART Breakouts, and double row headers. (Comes un-soldered)

- USB-C connector. Upgrade to CH340G serial chip, provides stable connectivity via USB Type-C port. Install USB driver: wch-ic.com/downloads/CH341SER_EXE.html

- Featuring Immersion Gold finish and custom headers, our board offers a perfectly flush underside and premium craftsmanship

- Support Arduino IDE and VS Code + PlatformIO Plugin.

Features

USB-C Connector

Easy connect via Type-C port, Compatibility for Windows, Linux, MacOS users for a seamless, frustration-free experience.

Install CH340 USB driver:

wch-ic.com/downloads/CH341SER_EXE.html

Extra Pin Header

I2C & UART breakouts

A6/A7 analog pin

Dual pin rows

** Extra pins come unsoldered. You'll need to solder the headers yourself to suit your needs.

100% Compatible with Arduino

Powered by the ATmega328P-AU MCU, both software and hardware compatible with the classic Arduino UNO R3 board.

Based on official Arduino UNO R3 footprint, and achieved more.

Tech Specifications

Microcontroller: ATMEGA328P-AU

Serial Chip: CH340

Speed: 16MHz

PWM Digital I/O Pins: 6

Analog Input Pins: 8 (Extra A6, A7)

Flash Memory: 32KB

SRAM: 2KB

EEPROM: 1KB

Operating Voltage: 6 - 16V

Working Voltage: 5V

Connector: USB Type-C

Dimensions: 68.6(mm) x 53.4(mm)

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