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Arduino UNO R4 WiFi, Minima

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€21.60

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Arduino UNO R4 boards featuring the Renesas RA4M1 microcontroller (Arm Cortex®-M4 32bits) clocked at 48 MHz for enhanced processing power
Multiple peripherals (x14 Pins, x6 PMW, x6 ADC, 12-bit DAC, SPI, I2C, CAN,...) expand possibilities for advanced projects
WiFi version: includes ESP32-S3 WiFi / BLE connectivity module, adding wireless connectivity to your projects
Hardware compatibility extended to all existing Arduino shields

Wi-Fi: No

Reference :

ABX0008X

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Features

		WiFi version	Minima version
Microcontroller	R7FA4M1AB3CFM (ARM Cortex M4)	Yes	Yes
Memory	256KB flash / 32KB SRAM	Yes	Yes
Operating voltage	5V	Yes	Yes
Input voltage	6-24V	Yes	Yes
Clock speed	48 MHz	Yes	Yes
Programming port	USB-C	Yes	Yes
WiFi/BLE	ESP32-S3-MINI	Yes	Yes
Digital pins	x14	Yes	Yes
PWM	x6	Yes	Yes
ADC	x6	Yes	Yes
DAC	1 (12 bit)	Yes	Yes
SPI	1	Yes	Yes
I2C	1	Yes	Yes
CAN	1	Yes	Yes
LED matrix	12x8 (96 red LEDs)	Yes	No
Additional connectors	Qwiic, OFF, VRTC	Yes	No

UNO REV4 board, a significant hardware improvement for makers:

The WiFi version includes an Espressif S3 WiFi module, opening up new creative opportunities for makers. On the other hand, the UNO R4 Minima is an economical option for those looking for a microcontroller without additional wireless functionality.

SRAM capacity has been increased from 2 kB (UNO REV 3) to 32 kB, and flash memory from 32 kB to 256 kB to support more complex projects. Most existing libraries and examples work without a hitch, ensuring excellent software compatibility. The board is equipped with a USB-C port and the maximum supply voltage has been increased to 24V, with improved thermal design. The UNO R4 Minima features a CAN bus and an SPI port, enabling users to reduce wiring and perform parallel tasks by connecting multiple shields.

In terms of pinout, the voltage and form factor of the UNO R4 remain unchanged from the UNO R3, ensuring maximum hardware and electrical compatibility with existing shields and projects. On the software side, considerable effort has gone into ensuring backward compatibility with the most popular Arduino libraries, enabling users to build on existing code examples and tutorials. In most cases, the libraries and examples will work immediately, but some of them, optimized for the AVR architecture used in the UNO R3, will need to be adapted.

Programming

To program with Arduino, you can use Arduino software platforms:

ARDUINO IDE

In the Tools > Map menu, simply select "Arduino REV4".

ARDUINO CLI
orWEB EDITOR.

Reference ABX00080

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5 /5

Based on 2 customer reviews