Can I use hardware compatible with the Arduino UNO WiFi Rev2 with the Arduino UNO R4 WiFi? This makes it easy to upgrade to the UNO R4 WiFi without the need for significant changes or adaptations to your projects. The UNO R4 WiFi maintains the same mechanical and electrical compatibility, allowing you to seamlessly use your existing shields and hardware with the new board. Yes, the Arduino UNO R4 WiFi was specifically designed to ensure compatibility with previous shields and compatible hardware developed for the Arduino UNO R3. Arduino IoT Cloud CompatibleįAQs Can I use hardware compatible with the Arduino UNO R3 with the Arduino UNO R4 WiFi? If you are looking for a lightweight version of the Arduino UNO R4, you can check the Arduino UNO R4 Minima. The UNO R4 WiFi offers unparalleled versatility and possibilities for makers of all levels. With all these features packed into the well-known UNO form factor, now is the perfect time to upgrade your project or embark on your maker journey. 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.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.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.Adapter cables also enable compatibility with sensors and actuators based on other connectors. Qwiic connector: The UNO R4 WiFi features a Qwiic I2C connector, allowing easy connection to nodes from the extensive Qwiic ecosystem.Combined with the Arduino IoT Cloud, makers can monitor and control their projects remotely. Wi-Fi® and Bluetooth®: The UNO R4 WiFi hosts an ESP32-S3 module, enabling makers to add wireless connectivity to their projects.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.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.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.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.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.Let's explore what the UNO R4 WiFi has to offer:
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