ABX00087 Arduino Uno R4 Wifi

The UNO R4 WiFi retains the same physical dimensions, pin configuration, and 5V operating voltage as its predecessor, the UNO R3, ensuring compatibility with existing shields and projects without any modifications.

• Expanded Memory and Faster Clock
  • The UNO R4 WiFi offers increased memory and a higher clock speed, providing more power for precise calculations and handling more complex tasks with ease.
• Extra On-board Peripherals
  • The UNO R4 WiFi introduces new on-board peripherals such as a 12-bit DAC, CAN BUS, and OP AMP, offering enhanced capabilities and greater design flexibility.
• Extended 24V Tolerance
  • Supporting a broader input voltage range, the UNO R4 WiFi allows seamless integration with motors, LED strips, and other actuators using a single power source.
• HID Support
  • With built-in HID support, the UNO R4 WiFi can emulate a mouse or keyboard via USB, simplifying the process of sending keystrokes or mouse movements when connected to a computer.
• Wi-Fi® and Bluetooth®
  • The UNO R4 WiFi is equipped with an ESP32-S3 module, enabling wireless connectivity. Paired with Arduino IoT Cloud, users can monitor and control their projects remotely.
• Qwiic Connector
  • The UNO R4 WiFi includes a Qwiic I2C connector, making it easy to connect nodes from the Qwiic ecosystem, with adapter cables enabling compatibility with various sensors and actuators.
• Support for Battery-powered RTC
  • Additional pins, including an "OFF" pin for turning off the board and a "VRTC" pin for keeping the internal Real-Time Clock powered, are available on the UNO R4 WiFi.
• LED Matrix
  • A 12x8 red LED matrix is built into the UNO R4 WiFi, ideal for creating animations or displaying sensor data without requiring extra hardware.
• Diagnostics for Runtime Errors
  • The UNO R4 WiFi features an error-catching mechanism that identifies runtime crashes, offering detailed explanations and suggestions for resolving issues in the code.

Tech Specs

• Board Name: Arduino® UNO R4 WiFi
• SKU: ABX00087
• Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
• USB Port: USB-C® (Programming)
• Digital I/O Pins: 14
• Analog Input Pins: 6
• DAC Pins: 1
• PWM Pins: 6
• Communication Protocols:
  • UART: 1x
  • I2C: 1x
  • SPI: 1x
  • CAN: 1x CAN Bus
• Power:
  • Circuit Operating Voltage: 5V (ESP32-S3 operates at 3.3V)
  • Input Voltage (VIN): 6-24V
  • 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