There is a bug in the current pH expansion calibration code. If you look at ReefAngel_1.5_LCD.h you see:
Code: Select all
InternalMemory.PHMin_write(PHExpMin);
InternalMemory.PHMax_write(PHExpMax);
Code: Select all
InternalMemory.PHExpMin_write(PHExpMin);
InternalMemory.PHExpMax_write(PHExpMax);
Don