![]() ![]() The Arduino should be flashed with the arduino_serialCOM_v0.1.ino sketch, available in the SOFTWARE/ folder. More information about microstepping can be found in the product page for the DRV8825 Stepper Motor Driver, which is used by the CNC shield. To configure this, it is necessary to add 3 jumpers between the M0, M1 and M2 pins of the Arduino CNC shield. The software is configured to run the stepper motors with 200 steps per revolution at 1/32 microstepping, which translates to 6400 steps per rotation. To allow for up to three pumps can be controlled from a computer or from the Rapsberry Pi microscope. Bill of materials with prices and vendor links on a Google Spreadsheet.STL, STEP, IGES, Fusion 360 archive files, and bill of materials are available in the HARDWARE/ folder. ![]()
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