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.
Tech specs 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, 1x - 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