Software scalability is also supported on the new board, allowing easy upgrades for projects made with UNO R3 or Leonardo. Requests from the Arduino community see the USB port upgraded to USB-C ...

Two new variants of the Arduino Uno development board ... with a 48-MHz Arm Cortex-M4 processor core, the Uno R4 boards deliver up to 16 times the clock speed, memory, and flash storage of the Uno R3.

shield compatibility and 5V power supply of the UNO R3. The UNO R4 with its 96 red LED matrix on board. (Source: Arduino) In the launch briefing, Arduino emphasized that the UNO R3 has already sold 10 ...

The official Arduino ... UNO R3’s 8-bit microcontroller for more than a decade, the new RA4-series MCU will open up endless new project opportunities for more advanced makers, and bring the ...

When you purchase an authentic Arduino kit (these boards have a tiny gold component located next to the USB input on the UNO R3 board), you are supporting Arduino’s research and outreach programs.

You can only connect one of the following board models: Arduino UNO R4 Minima, Arduino UNO R4 WiFi, Arduino UNO (R3 and older revisions), Arduino MKR WiFi 1010, Arduino Nano 33 IoT, Arduino RP2040 ...

In need of a simple microcontroller board for your project? Then, an Arduino ... than the R3 at $27.50. One of the most significant differences between the classic Rev3 and Uno's more recent ...