No, the Arduino UNO R3 will still be available and supported for makers who want to work with its 8-bit AVR microcontroller.Ĭompatibility Can I use hardware compatible with the UNO R3 with an UNO R4 board?
To use the new UNO R4 boards, install the new Arduino UNO R4 Boards package. Differnet board packageĪll previous UNO boards (except the UNO WiFi Rev2) were AVR-based, and used the Arduino AVR Boards package. Note that unlike some Mbed OS boards, runtime errors do not result in a flashing LED. If the board encounters a runtime error while running an uploaded sketch, you need to double-press the reset button to put it into bootloader mode before uploading a new sketch. You’ll need a USB-C cable to connect the board to your computer. Here are a few changes you may notice if you’ve previously used the UNO R3: USB connector type
Learn about the differences between UNO R3 and the new UNO R4 WiFi and UNO R4 Minima boards.
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