Both variants let you get started creating or simply enhance UNO R3-based assignments with additional computational power, memory, and pace than preceding variations – courtesy of the RA4M1 microcontroller by Renesas – whilst keeping a similar form element and 5V running voltage. Action cards incorporate an extra standard of technique https://zionqqqoo.wikitron.com/1534658/helping_the_others_realize_the_advantages_of_uno4d