Arduino Uno R4 Wifi Minima ESP32-S3 RA4M1 32-bit Arm Microcontroller

The Arduino UNO R4 WiFi merges the RA4M1 microprocessor from Renesas with the ESP32-S3 from Espressif, creating an all-in-one tool for makers with enhanced processing power and a diverse array of new peripherals. With its built-in Wi-Fi and Bluetooth capabilities, the UNO R4 WiFi enables makers to venture into boundless creative possibilities. Furthermore, this versatile board boasts a convenient on-board 12x8 LED matrix and a Qwiic connector, offering ample space for innovation and unleashing creativity. This dynamic combination empowers makers to transform their ideas into reality and elevate their projects to unprecedented heights.


Features

- Renesas RA4M1 32-bit Arm Cortex-M4 processor
- The UNO R4 series offers two versions, the UNO R4 Wi-Fi and the UNO R4 Minima
- UNO R4 Wi-Fi comes with an Espressif S3 Wi-Fi module in addition to the RA4M1 processor
- UNO R4 Minima is a cost-effective option for those who prefer the microcontroller without additional features
- Maintains the same form factor as the UNO R3 with compatibility for existing shields and accessories
- 5V operating voltage for easy integration with existing projects and components
- Processor offers enhanced processing capabilities for complex tasks and calculations


Tech Specification

MCU : Renesas RA4M1 (Arm Cortex-M4)
USB : USB-C Programming Port
Pins : 14 Digital I/O Pins
Pins : 6 Analog input pins
DAC : 1 pin
PWM : 6 pins
UART : Yes
I2C : Yes
SPI : Yes
CAN : Yes
Power / 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 RA4M1 Main core : 48 MHz
Clock Speed ESP32-S3 : up to 240 MHz
Memory RA4M1 : 256 kB Flash, 32 kB RAM
Memory ESP32-S3 : 384 kB ROM, 512 kB SRAM
Dimensions : 68.85 x 53.34 mm