Hello have very simple code but cant get it to do what i want. I want the serial monitor to print "identified" and not unknown but it doesent happen when i type the word "send". Why is not the condition in the if-sentence true? And is it: if (... == "") or if (... == ' ')? thanks String str; void s…

HELP, problems with Serial.readString()

system April 26, 2018, 2:12pm 12

I also have another question: Is it correct to use eeprom.write() to store a number permanently, when the arduino has no power?

Yes, that is what EEPROM is for.

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