YOU SAID:
Arduino is a good cpu
INTO JAPANESE
Arduinoは良いCPUです
BACK INTO ENGLISH
Arduino is a good CPU
INTO JAPANESE
Arduinoは優れたCPUです
BACK INTO ENGLISH
Arduino is a great CPU
INTO JAPANESE
Arduinoは素晴らしいCPUです
BACK INTO ENGLISH
Arduino is a great CPU
That didn't even make that much sense in English.