The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller ... “Most existing libraries and examples will work seamlessly on the new board. Support for other Renesas ...

But even after eliminating the Uno from your selection, you'll still be left with a wide array of Arduino boards to choose ... your components to the new board as the family generally follows ...

Wouldn’t it be great is you could also use the ’16u2 on the Uno or Mega ... using this new bootloader to explode over the coming months. If you’re ever in an Arduino Demoscene contest ...

The Arduino Uno (and Mega) communicate to your computer through a separate ATmega8U2 microcontroller. Simply by uploading new firmware with the Arduino Device Firmware Upgrade, it’s easy to ...