Arduino Uno R4 Wifi Clone

Board

Name

Arduino® UNO R4 WiFi

SKU

ABX00087

Microcontroller

Renesas RA4M1 (Arm® Cortex®-M4)

USB

USB-C®

Programming Port

Pins

Digital I/O Pins

14

Pins

Analog input pins

6

DAC

1

PWM pins

6

Communication

UART

Yes, 4x

I2C

Yes, 1x

SPI

Yes, 1x

CAN

Yes 1 CAN Bus

Power

Circuit operating voltage

5 V (ESP32-S3 is 3.3 V)

Input voltage (VIN)

6-24 V

DC Current per I/O Pin

8 mA

Clock speed

Main core

48 MHz

ESP32-S3

up to 240 MHz

Memory

RA4M1

256 kB Flash, 32 kB RAM

ESP32-S3

384 kB ROM, 512 kB SRAM

Dimensions

Width

68.85 mm

Length

53.34 mm