Arduino UNO R4 EK WiFi | Renesas RA4M1 & ESP32-S3 | USB-C, CAN, DAC, OP AMP, Qwiic Connector, 12×8 LED Matrix

Arduino UNO R4 EK WiFi | Renesas RA4M1 & ESP32-S3 

The Arduino UNO R4 WiFi is a powerful 32-bit development board based on the Renesas RA4M1 microcontroller with an integrated ESP32-S3 wireless module for Wi-Fi® and Bluetooth® Low Energy (BLE) connectivity. It retains the classic Arduino UNO form factor while adding advanced features such as a 12 × 8 LED matrix, USB Type-C, CAN Bus, 12-bit DAC, Operational Amplifier (OP AMP), and a Qwiic connector. The board is ideal for IoT, robotics, automation, embedded systems, and rapid prototyping.

• Board: Arduino UNO R4 WiFi
• Microcontroller: Renesas RA4M1 (32-bit Arm® Cortex®-M4)
• Wireless Module: ESP32-S3
• Operating Voltage: 5 V
• Clock Speed: 48 MHz
• Flash Memory: 256 KB
• SRAM: 32 KB
• EEPROM: 8 KB (Emulated)
• Digital I/O Pins: 14
• PWM Pins: 6
• Analog Input Pins: 6
• USB Interface: USB Type-C
• Communication Interfaces: UART, I²C, SPI, CAN
• Wireless Connectivity: Wi-Fi®, Bluetooth® Low Energy (BLE)
• DAC: 12-bit
• Built-in OP AMP: Yes
• Built-in LED Matrix: 12 × 8