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EEPROM protection in AVR controllers

LABSPROJECT
Based on a Labs project | October 2011 | Find it here
EEPROM protection in AVR controllers
AVR controllers have the unfortunate property of their data EEPROM being affected when the supply voltage drops below a certain level, which can, of course, be prevented by making the reset low in good time to disable the processor. Unfortunately, this requires a circuit for monitoring the supply voltage and for taking the requisite action automatically when needed.
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