("\nchange CPU freq to"); Serial.println(cpufreqs[i]);delay(1000);setCpuFrequencyMhz(cpufreqs[i]); Freq =getCpuFrequencyMhz(); Serial.print("Send to serial with my_bauds ="); Serial.println(my_bauds); Serial.print("CPU Freq ="); Serial.print(Freq); Serial.println("MHz");/...