Hardware compatibility with UNO form factor.Thanks to its powerful design and reliable performance, the UNO R4 is a valuable addition to the Arduino ecosystem, suitable for beginners and experienced electronics enthusiasts alike to deploy their own projects. While retaining the well-known features of the UNO series, such as standard form factor, shield compatibility, 5V voltage, and robustness, new features have been added.
UNO R4 Minima provides a cost-effective option for those seeking the new microcontroller without additional features.īased on the success of UNO R3, the UNO R4 board is the ideal prototype and learning tool for anyone. Finally, the new board also includes a 12-bit analog DAC. The board provides a CAN bus, allowing users to minimize wiring and perform different tasks by connecting multiple extension boards. Furthermore, in response to requests from the Arduino community, the USB port has been upgraded to USB-C and the maximum power supply voltage has been increased to 24V. In addition to that, the SRAM has been upgraded from 2kB to 32kB and the flash memory has been increased from 32kB to 256kB to accommodate to more complex projects.
It runs on the Renesas RA4M1 (Arm Cortex®-M4) processor, with a clock speed of 48MHz, which provides a 3x increase over the UNO R3. The new Arduino UNO R4 comes in two versions: the UNO R4 WiFi and the UNO R4 Minima.
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