Powered by an ATMega328p pulled out of an Arduino Nano, ... Dan says: July 10, 2018 at 1:48 am Apparently to save the time/effort of putting a bootloader on the bare chip.

Binary watch features ATmega328P and Arduino. 10:45 am February 8, 2023 By Julian Horsey.

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are “no plans to discontinue the popular Uno R3” , according to Arduino, which estimates that R4 will ...