/*** eeprom_get example. This shows how to use the EEPROM.get() method. To pre-set the EEPROM data, run the example sketch eeprom_put. This sketch will run without it, however, the values shown will be shown from what ever is already on the EEPROM. This may cause the serial object to print out a large string of garbage if there is no null character inside one of the strings loaded. Written by Christopher Andrews 2015 Released under MIT licence. ***/ #include void setup(){ float f = 0.00f; //Variable to store data read from EEPROM. int eeAddress = 0; //Location of the IP address inside the class. Serial.begin( 9600 ); Serial.print( "Read float from EEPROM: " ); //Get the float data from the EEPROM at position 'eeAddress' EEPROM.get( eeAddress, f ); Serial.println( f, 3 ); //This may print 'ovf, nan' if the data inside the EEPROM is not a valid float. /*** As get also returns a reference to 'f', you can use it inline. E.g: Serial.print( EEPROM.get( eeAddress, f ) ); ***/ /*** Get can be used with custom structures too. I have separated this into an extra function. ***/ secondTest(); //Run the next test. } struct MyObject{ float field1; byte field2; char name[10]; }; void secondTest(){ int eeAddress = sizeof(float); //Move address to the next byte after float 'f'. MyObject customVar; //Variable to store custom object read from EEPROM. EEPROM.get( eeAddress, customVar ); Serial.println( "Read custom object from EEPROM: " ); Serial.println( customVar.field1 ); Serial.println( customVar.field2 ); Serial.println( customVar.name ); } void loop(){ /* Empty loop */ }