Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, ... There's also only one I2C bus on the Rev3. In contrast, the R4 WiFi includes two serial ports and two I2C buses.

The Arduino UNO R4 Minima and the Arduino UNO R4 WiFi. But apart from the obvious wireless connectivity hinted by the name what other differences do the microcontrollers have.

The R4 adds a 32bit microcontroller with up to 3x the clock speed and 16x flash storage with the integration of the RA4M1 processor from Renesas-based on an Arm Cortex-M4 core, the RA4M1 MCU features ...

[Andrew] wonders why the SerialUSB() function on the Cortex M3-based Arduino Due is so much faster than Serial() on the Uno or Nano, and shares his observations in this short video. He sets up an e… ...

The official Arduino team has this week revealed more details about the new Arduino UNO R4 development Board which will be officially launching in a few months time during May 2023. The ...

There are two types of Arduino UNO R4, the basic configuration 'UNO R4 Minima' and the 'UNO R4 WiFi' equipped with a Wi-Fi module. The previous generation Arduino UNO R3 used the 8-bit microcomputer ...

No access to ‘Arduino’ board-edge IO pins. Two big differences under the hood. One big difference between the two boards is that the Renesas MCU on R4 Minima is programmed directly over USB while, on ...

Arduino announced the launch of its next-generation Uno board, a significant revision of its 8-bit technology.Powered by a 32-bit microcontroller, the new Uno R4 comes in two versions: the basic Uno ...

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

The Arduino UNO R4, featuring the Renesas RA4M1 (Arm Cortex-M4) running at 48MHz, boasts a 3x performance increase over the UNO R3. Additionally, SRAM has been upgraded from 2kB to 32kB, and flash ...