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→Step 5 Coding & Wiring
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Plug the DFRobot LCD shield into the Arduino, and follow the schematic below. Begin with the circuit of the stepper done in the previous steps. Add more components to the circuit like potentiometers and LCD shield to build up the hardware interface so that you can adjust the motor speed and the rotation range by these two potentiometers directly. | Plug the DFRobot LCD shield into the Arduino, and follow the schematic below. Begin with the circuit of the stepper done in the previous steps. Add more components to the circuit like potentiometers and LCD shield to build up the hardware interface so that you can adjust the motor speed and the rotation range by these two potentiometers directly. | ||
[[File:laser_step7.png| | [[File:laser_step7.png|800px|]] | ||
[[File:laser_step8.png|600px|]] | [[File:laser_step8.png|600px|]] | ||