Assuming the Arduino Nano clone isn’t using an amazingly high-quality EEPROM we can safely assume that most of us have nothing to worry about and our Arduinos will be functional for decades to come.

[Vinod] wrote his own custom bootloader for the AVR-based Arduino. With just enough memory to back up the AVR’s flash, the bootloader can shuffle the existing program out to the EEPROM while ...

and a 1 KB EEPROM. Despite these modest specifications, the Rev3 can handle a wide range of tasks, from beginner projects like an Arduino-powered automatic plant watering system to more complex ...