I had a similar issue with data not saved to EEPROM. But the problem disappeared one day on it's own. Can't say why.
Anyway i'm using Arduino Uno board with parallel LCD, without I2C interface.
I'll upload new code to my MPGuino and make some changes to it soon, because of some customizations. I'll share the code as soon as I'll test it.
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Quote:
Gerhard Plattner: "The best attitude is to consider fuel saving a kind of sport. Everybody who has enough money for a strong car, can drive fast and hit the pedal. But saving fuel requires concentration, self-control and cleverness. It's a challenge with the nice effect of saving you money that you can use for other more important things."
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