Great performance
There's a great performance improvement compared to the UNO R3. It has lots of memory and interfaces, plus WiFi. The LED matrix looks really nice too.
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Introducing the latest addition to the Arduino lineup, the Arduino UNO R4 WiFi board, which represents a significant leap forward in functionality and capabilities. Building upon the rich heritage of the UNO series, this advanced version incorporates cutting-edge features to empower your projects with remarkable efficiency.
The key highlight of the UNO R4 WiFi lies in the seamless integration of the ESP32-S3 Wi-Fi module (ESP32-S3-MINI-1-N8), bestowing the UNO with built-in Bluetooth and Wi-Fi functionalities. This integration ensures a comprehensive connectivity solution for enhanced versatility and convenience.
As a member of the first UNO series of 32-bit development boards with WiFi, the UNO R4 WiFi microcontroller marks a departure from its predecessors, which relied on 8-bit AVR microcontrollers. Leveraging a robust 48 MHz Arm Cortex-M4 microprocessor, this board leverages the prowess of the Renesas RA4M1 series microcontroller (R7FA4M1AB3CFM#AA0).
Its expanded memory capabilities are truly impressive, featuring 256 kB flash, 32 kB SRAM, and 8 kB of EEPROM. To facilitate seamless and efficient communication between the RA4M1 and ESP32-S3 modules, a reliable logic level translator (TXB0108DQSR) is employed, ensuring optimal performance at all times.
Upgrade to the Arduino UNO R4 WiFi microcontroller board today and unlock an unparalleled level of innovation within the realm of Arduino, ushering in a new era of limitless possibilities for your projects.
Find the best deals on the Original Arduino Uno R3.
Also, read our blog on the Best Arduino Board explaining the different types of Arduino boards.
Also check the Arduino UNO R4 Minima.
Overview |
48 MHz Arm Cortex-M4 microprocessor with a floating point unit (FPU) |
Memory |
256 kB Flash Memory |
Peripherals |
Capacitive Touch Sensing Unit (CTSU) |
Power |
The operating voltage for RA4M1 is 5 V |
Communication |
1x UART (pin D0, D1) |
Wi-Fi |
Wi-Fi support with 802.11 b/g/n standard (Wi-Fi® 4) |
Bluetooth |
Bluetooth 5 |
Shipment Weight |
0.03 kg |
Shipment Dimensions |
10 × 8 × 4 cm |
For more details, please check our Shipping and Return Policy
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Yes, the Arduino Uno R4 features built-in Wi-Fi thanks to the integration of the ESP32-S3 Wi-Fi module.
Yes, the Arduino Uno R4 also comes with built-in Bluetooth, facilitated by the same ESP32-S3 module.
The Arduino Uno R4 is better than the Uno R3 because it has improved parts. It comes with a Renesas RA4M1 48MHz Arm Cortex M4 processor, which gives you 32KB of RAM and 256KB of storage space. It also has a USB-C port and can handle up to 24 volts. Plus, it supports CAN, as well as the usual I2C, SPI, and UART interfaces, making it great for more complicated projects.
The Arduino Uno R4 comes with some exciting new features:
It comes with an onboard 12x8 LED matrix for visual feedback and customization.
The Arduino Uno R4 runs at a speed of 48 MHz, which is three times faster than older versions. This makes it perform better and respond quicker overall.
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