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Arduino ABX00087 Arduino Uno R4 WiFi

Order Code:  

73-4437

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49 in Stock, despatched same dayAdditional 250 due on 07/05/2024

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.
The 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.


  • 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.
  • With expanded memory and faster clock, this enables more precise calculations and effortless handling of complex projects.
  • Extra on-board peripherals, including a 12-bit DAC, CAN BUS, and OP AMP, providing expanded capabilities and design flexibility.
  • Extended 24 V tolerance supports a wider input voltage range, allowing seamless integration with motors, LED strips, and other actuators using a single power source.
  • 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®, Bluetooth and ESP32-S3 module, enables makers to add wireless connectivity to their projects.
  • Combined with the Arduino IoT Cloud, makers can monitor and control their projects remotely.
  • Qwiic connector allows 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 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.
  • 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 detects runtime crashes and provides detailed explanations and hints about the code line causing the crash.
Type Arduino Uno R4 WiFi

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