Arduino Uno R4 WiFi

Microcontrollers

The Arduino UNO R4 WiFi combines a powerful RA4M1 microprocessor and an ESP32-S3 module, delivering enhanced performance alongside native Wi-Fi® and Bluetooth® connectivity. Featuring an onboard $12 \times 8$ LED matrix and a Qwiic connector for quick component integration, this board provides an all-in-one platform for modern IoT projects.

Specifications:

- Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
- USB: USB-C® Programming Port
- Pins:
- Digital I/O: 14
- Analog Inputs: 6
- DAC: 1
- PWM: 6
- Communication: 1x UART, 1x I2C, 1x SPI, 1x CAN Bus
- Power:
- Operating Voltage: 5V (ESP32-S3 is 3.3V)
- Input Voltage (VIN): 6-24V
- DC Current per I/O Pin: 8 mA
- Clock Speed:
- Main Core (RA4M1): 48 MHz
- ESP32-S3: up to 240 MHz
- Memory:
- RA4M1: 256 kB Flash, 32 kB RAM
- ESP32-S3: 384 kB ROM, 512 kB SRAM

Current Stock: 3 Borrowed: 0

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