TIP: To extend EEPROM life first read the contents to be written - if You can read an EEPROM address as many times as you want. Note: Reading from the EEPROM does not degrade the memory. Never write to the same address in EEPROM memory from within a for loop! Alternatively update parameters on brown-out detection or power down initiation. For instance if a user starts a calibration sequence. The solution they chose was to move the starting write address afterĮvery block of data was written so that the same area of EEPROM was notĬontinuously used Extending the life of the EEPROM.Ī better way is to make sure you only write to the EEPROM at aĭefined time. Lifetime of the EEPROM it was written so much that the EEPROM wore out. Problem was that the data was always written every time round the program loop, so even with the huge Same location to save data as parameters changed.
The EEPROM was being written continuously to the I was once at a firm that managed to have their units randomly fail. Parameters or current instrument settings. The program itself will update EEPROM for saving parameters that are requiredīetween power up and power down. In reality EEPROM is use differently to FLASH memory, since an EEPROM isĭesigned for updated data. Using the EEPROM 10 times a day the EEPROM life will be 100000/10 # 10000 Days or 27 Years! Program every day and you will use a new device for new projects, so it It turns out that it will last at leastġ0000.0/10.0 = 1000 Days or 2.7 years). Normal Flash memory will last if you write to it 10 times per day.
Arduino Oversampling: How to Get More ADC Bits with No Extra Hardware!.