I know the subject is confusing. This is what I am trying to do. I am basically monitoring an analog sensor using an UNO and a GSM shield. I am using it to send me text alerts if this sensor I am reading goes out of bounds ie if analog.Read is less than 200 or greater than 500 alert me via text. This is fine I can make this happen without any trouble. What I want to know is say I wanted to change the bounds to 210 and 490 via text and have those changes be saved even after the UNO loses power and restarts. Is this possible and if so how?