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  • Da Vinci XYZ 3D Printer Filament Counter Resetter

    Hi,Thanks for your excellent instructable, it's nice to see one so well written.After seeing so many positive comments saying everything worked perfectly for some users, I wonder what I'm doing wrong with my attempt.I have an arduino Mega 2560 , with the eeprom card connected to 5v, Gnd and digital pin 7 (I've even soldered the leads directly to the EEPROM board, just to make sure we have good connection), but all I get back in the Serial Monitor is :'Testing connection to Da Vinci EEPROM CHIP'Can you suggest what I might be doing wrong? Is it OK to use a Mega rather than a pro mini?Any thoughts you have would be most appreciated - the outrageous cost of the XYZ filament is sending me broke!Thanks in advance.

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