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Design Specification for a QuickScan Mapping Device
Applications:
Figure 3.4.5 [2][3][5]
As seen in the diagram above, the 4 wires from the stepper motor controls 2 phases, where the
red and green wires represent one phase and the yellow and blue wire presents the other. The
stepper motor and EasyDriver is powered by the external 12V battery, while the Arduino Nano
receives power directly from the USB connection.
It can also be observed that the Arduino Nano uses three control pins to send commands to the
EasyDriver:
•
•
•
Blue – (SLEEP) Enables or disables the EasyDriver and Stepper Motor
Yellow – (STEP) Step input from the Arduino
GREEN – (DIR) Determines the rotation direction of the Stepper Motor
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