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Editing Step 15 —

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Connect power to the robot.

Get a multimeter. turn the dial to 20v resistance.

Put the red lead of the multimeter on the dial in the bottom center of the driver.

Put the black lead on the bottom right pin of the driver. The target value is 0.17

The dial MUST only be adjusted when the power is off or damage will occur.

Very small changes (5-10 degrees) are all that are needed to make big changes to the target value. The smallest (1-2mm) flathead screwdriver works great.

Turn power off, adjust the dial, turn power on, measure the value, repeat until within +/-0.05 of target.

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