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Version 1.0
Date：29/08/2018
Step 3:
Shown below are the two adjustable A4988 stepper drivers (Red).
Step 4:
Using the multimeter, touch the red probe to the adjustable screw on the driver.
Touch the black probe to the lower screw of the second green terminal (this is the
negative electrode of the heat board). Then multimeter should display the current
voltage of the driver.
- 3-
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