The Arduino UNO R4 features a 32-bit ARM Cortex-M4F processor at 48 MHz Renesas RA4M1, making the R4 3–16× faster than the R3 and offering ample memory (R4 32 kB SRAM, 256 kB...
Arduino The UNO R4 has a 32-bit ARM Cortex-M4F 48 MHz Renesas RA4M1 processor. The older R3 had an 8-bit ATmega328 processor. The new R4 is 3-16x faster and offers more memory....
A precise clone of the powerful and affordable Arduino Mega2560 board with a large number of pins, suitable for anyone working on complex projects and wanting to control them...