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This is an affordable version of Arduino Uno R4 Wifi, Manufactured in China.
Buy the Official Arduino Uno R4 Wifi - Made in Italy here.
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(edit with the Customer Reassurance module)
The Arduino® UNO R4 WiFi is the first UNO board to feature a 32-bit microcontroller and an ESP32-S3 Wi-Fi® module (ESP32-S3-MINI-1-N8). It features a RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM#AA0), based on a 48 MHz Arm® Cortex®-M4 microprocessor. The UNO R4 WiFi's memory is larger than its predecessors, with 256 kB flash, 32 kB SRAM and 8 kB of EEPROM.
The Arduino Uno R4 WiFi ushers in a new era of creative possibilities for makers and hobbyists of all levels. This powerful evolution of the classic Arduino UNO integrates a 32-bit RA4M1 microcontroller by Renesas, along with an ESP32-S3-MINI coprocessor, significantly boosting processing speed, memory capacity, and overall performance. This advanced board seamlessly integrates WiFi and Bluetooth® connectivity, opening doors for intuitive development of IoT (Internet of Things) projects. Featured By RoboticsBD.
Designed for the Future:
The Uno R4 WiFi maintains the industry-standard form factor and 5V operating voltage of the UNO series, ensuring compatibility with existing projects and components. The familiar user-friendly design makes it ideal for beginners looking to step into the world of IoT development, while the enhanced capabilities cater to the needs of experienced makers as well.
Product Images are shown for illustrative purposes only and may differ from the actual product.
Arduino Cloud
The UNO R4 WiFi is compatible with the Arduino Cloud platform. Build IoT projects in just minutes! GO TO PLATFORM
5 V Operating Voltage
The RA4M1 and the GPIOs of this board operates on 5 V.
Real-Time Clock (RTC)
Keep track of time & date and set alarms with the built-in RTC. DOCUMENTATION
Mouse/Keyboard Emulation (HID)
Build game controllers by emulating a mouse/keyboard. DOCUMENTATION
Cheat Sheet
A reference to all technical features on this board, with pointers to additional documents. CHEAT SHEET
LED Matrix
Learn how to create animations and graphics on the 12x8 LED matrix. DOCUMENTATION
Digital-to-Analog Converter (DAC)
Use the onboard 12-bit DAC to build sophisticated audio projects. DOCUMENTATION
Input Voltage
Power your UNO R4 board through the VIN pin or the barrel jack at up to 6-24 V.
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General Specifications | |
Operating Voltage | 5V |
Memory | 256KB Flash / 32KB SRAM |
Input Voltage | 6-24V |
Clock Speed | 48 MHz |
Programming Port | USB-C |
MCU | RA41M1 from Renesas (Cortex M4) |
WiFi/BLE | ESP32-S3-MINI |
LED Matrix | 12x8 Fully-addressable Red LEDs |
Connectivity | WiFi, Bluetooth® Low Energy |
Other Features | Real-Time Clock, Mouse/Keyboard Emulation, Qwiic Connector, 12-bit DAC, Op Amp |
Shipment Weight | 0.042 kg |
Shipment Dimensions | 12 x 8 x 5 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Arduino Uno R4 Wifi - Assemble in China
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This is an affordable version of Arduino Uno R4 Wifi, Manufactured in China.
Buy the Official Arduino Uno R4 Wifi - Made in Italy here.
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