Catalog > Internet of Things (IOT) Related Products > Arduino Arduino UNO R4 WiFi UNO R4 WiFi ARDUINO UNO REV 4 WIFI The Arduino UNO R4 WiFi Merges the Renesas RA4M1 Microprocessor with the ESPRESSIF ESP32-S3, 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 688.96 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The Arduino UNO R4 WiFi combines the processing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless connectivity power of the ESP32-S3 from Espressif. On top of this, the UNO R4 WiFi offers an on-board 12x8 LED matrix, Qwiic connector, VRTC, and OFF pin, covering all potential needs makers will have for their next project. With the UNO R4 WiFi, you can easily upgrade your project and add wireless connectivity to expand the reach of your current setup. If this is your first project, this board has everything you need to spark your creativity. Features Hardware compatibility with UNO form factor: The UNO R4 WiFi maintains the same form factor, pinout, and 5 V operating voltage as its predecessor, the UNO R3, ensuring a seamless transition for existing shields and projects. Expanded memory and faster clock: The UNO R4 WiFi boasts increased memory and a faster clock speed, enabling more precise calculations and effortless handling of complex projects. Extra on-board peripherals: The UNO R4 WiFi introduces a range of on-board peripherals, including a 12-bit DAC, CAN BUS, and OP AMP, providing expanded capabilities and design flexibility. Extended 24 V tolerance: The UNO R4 WiFi supports a wider input voltage range, allowing 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 simulate a mouse or keyboard when connected to a computer via USB, making it easy to send keystrokes and mouse movements. Wi-Fi® and Bluetooth®: The UNO R4 WiFi hosts an ESP32-S3 module, enabling makers to add wireless connectivity to their projects. Combined with the Arduino IoT Cloud, makers can monitor and control their projects remotely. Qwiic connector: The UNO R4 WiFi features a Qwiic I2C connector, allowing easy connection to nodes from the extensive Qwiic ecosystem. Adapter cables also enable compatibility with sensors and actuators based on other connectors. Support for battery-powered RTC: The UNO R4 WiFi includes additional pins, including an "OFF" pin to turn off the board and a "VRTC" pin to keep the internal Real-Time Clock powered and running. LED matrix: The UNO R4 WiFi incorporates a bright 12x8 red LED matrix, ideal for creative projects with animations or plotting sensor data, eliminating the need for additional hardware. Diagnostics for runtime errors: The UNO R4 WiFi includes an error-catching mechanism that detects runtime crashes and provides detailed explanations and hints about the code line causing the crash. Specifications 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