# UNO R4 Minima Compatible Development Board

> UNO R4 Minima compatible development board with the same form factor and pinout as UNO R3. Operating voltage 5V, input voltage 6-16V. Arm Cortex M4 processor at 48MHz, programmed via USB-C. Features 14 digital I/O, 6 PWM, 6 ADC, 1 12-bit DAC, SPI, I2C and CAN interfaces, plus an SWD port for debugging. No WiFi/Bluetooth or LED matrix.

- Page: https://sigmanortec.ro/en/uno-r4-minima-compatible-development-board
- Price: 54.11 RON
- Availability: In stock; 1-2 zile
- Reference: 9866 · EAN: 5942415048879
- Category: Mechatronics and IoT > Development Board > Arduino Compatible Boards
- Package (shipping data): 0.024 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

Ideal for rapid prototyping and upgrading from UNO R3 projects, it retains the classic format and pinout, runs at 5V with a wide 6-16V supply, uses an Arm Cortex M4 processor at 48MHz for superior performance, is easily programmed via USB-C and offers extensive connectivity via 12-bit DAC and SPI, I2C and CAN interfaces.
UNO R4 Minima compatible development board. This is a development board compatible with the UNO format, maintaining the same dimensions and pin distribution as the UNO R3. It has an operating voltage of 5V and supports a wider input voltage, between 6-16V.
It features an Arm Cortex M4 processor, 48MHz clock frequency and USB-C programming port.
It includes a 12-bit DAC, digital I/O, PWM, ADC, SPI, I2C, and CAN interfaces, providing flexibility for complex projects.
It is optimized for IoT projects, with SWD port for efficient debugging.
Specifications:
Supply voltage: 6-16V
Operating voltage: 5V
Processor: Arm Cortex M4
Clock frequency: 48MHz
Programming port: USB-C (Type-C)
WiFi/Bluetooth: NO
LED Matrix: NO
Digital I/O interfaces: 14
PWM interfaces: 6
ADC interfaces: 6
DAC Interfaces: 1 (12bit)
SPI interfaces: 1
I2C interfaces: 1
CAN interfaces: 1
Pinout: