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Apr 13, 2017 - Modified Apr 13, 2017
flipper - in reply to Xanics

Nic, The filament sensor does not have a memory problem. The problem is with Marlin, depending on how many features are configured, is beginning to use more RAM than is available in a Mega2560 arduino board (8kb). I've found the bed leveling uses a lot of RAM, the LCD, as well as the filament sensor buffer. The code for the buffer uses some data compression to use bytes rather then words, which already saves space. You can reduce the buffer size, at the expense of some reduced control of the filament width.