Filament End Sensor - Switch Support
thingiverse
In order to halt the 3DRAG print seamlessly, I designed a filament-end sensor. This prevents the need to restart from scratch upon filament depletion. After replacing the filament, simply issue a continue command to the printer. To integrate this feature, link the switch to an unused controller pin and implement the corresponding code to pause printing. Alternatively, if your board already has a pause button, connect the sensor to it for smooth operation.
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