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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: | [[File:laser_step7.png|600px|]] | ||
[[File: | [[File:laser_step8.png|600px|]] | ||
Coding: Install the library [File:DFR_Key.zip|LCD shield Library]for the LCD shield ( detailed installation steps can be found in the | Coding: Install the library [[File:DFR_Key.zip|LCD shield Library]]for the LCD shield ( detailed installation steps can be found in the | ||
“READ ME”). And also writing the function of if receive the ‘S’ from the serial port. | “READ ME”). And also writing the function of if receive the ‘S’ from the serial port. | ||