DCScreen.kv

<DCScreen>:
    name: 'DC'
    FloatLayout:
        size_hint: None, None

    DPEAButton:
        # Quit button
        size: 100, 100
        center_x: root.width * 0.95
        center_y: root.height * 0.95
        background_color: 0,0,0,0
        color: 0.035, 0.152, 0.725, 1
        text: "Quit"
        on_press: root.exit_program()

    DPEAButton:
        #Go back button
        size: 100, 100
        center_x: root.width * 0.95
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "Go back"
        on_press: root.transition_back()

    DPEAButton:
        # button to select DC 0
        id: DC_0
        size: 100, 100
        center_x: root.width * 0.35
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "DC 0"
        on_press: root.selectDC0()

    DPEAButton:
        # button to select DC 1
        id: DC_1
        size: 100, 100
        center_x: root.width * 0.45
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "DC 1"
        on_press: root.selectDC1()


    DPEAButton:
        # run basic movement button
        size: 100, 100
        center_x: root.width * 0.85
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "Run Basic Movement"
        on_press: root.rotateDCMotor()

    DPEAButton:
        # rotates DC motor with input speed button
        size: 100, 100
        center_x: root.width * 0.65
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "Rotate DC motors with specific speed"
        on_press: root.runDCWithSpecificSpeed()

    DPEAButton:
        # stops all motors
        size: 100, 100
        center_x: root.width * 0.15
        center_y: root.height * 0.8
        color: 0.035, 0.152, 0.725, 1
        text: "Stop All Motors"
        on_press: root.stopDCMotors()


    DPEAButton:
        text: '1'
        id: one
        center_x: root.center_x - 100
        center_y: root.center_y + 60
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(1)

    DPEAButton:
        text: '2'
        id: two
        center_x: root.center_x
        center_y: root.center_y + 60
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(2)

    DPEAButton:
        text: '3'
        id: three
        center_x: root.center_x + 100
        center_y: root.center_y + 60
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(3)

    DPEAButton:
        text: '4'
        id: four
        center_x: root.center_x - 100
        center_y: root.center_y - 40
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(4)

    DPEAButton:
        text: '5'
        id: five
        center_x: root.center_x
        center_y: root.center_y - 40
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(5)

    DPEAButton:
        text: '6'
        id: six
        center_x: root.center_x + 100
        center_y: root.center_y - 40
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(6)


    DPEAButton:
        text: '7'
        id: seven
        center_x: root.center_x - 100
        center_y: root.center_y - 140
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(7)

    DPEAButton:
        text: '8'
        id: eight
        center_x: root.center_x
        center_y: root.center_y - 140
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(8)

    DPEAButton:
        text: '9'
        id: nine
        center_x: root.center_x + 100
        center_y: root.center_y - 140
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(9)

    DPEAButton:
        text: '0'
        id: zero
        center_x: root.center_x
        center_y: root.center_y - 240
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.setSpeed(0)

    DPEAButton:
        text: 'Del'
        id: backspace
        center_x: root.center_x - 100
        center_y: root.center_y - 240
        color: 0.019, 0.337, 1, 1
        size: 80, 80
        on_press: root.removeNum()

    #label for speed inputted value
    Label:
        id: speed_value
        text: 'Speed: ' + root.speedDC0
        font_size: 40
        center_x: root.width * 0.20
        y: root.height * 0.05
        color: 0.0, 0.0, 0.0, 1


    Label:
        id: speed_info
        text: 'Enter Value (0-180)\n0 is 100% CCW, 90 is neutral, 180 is 100% CW '
        font_size: 40
        center_x: root.width * 0.05
        y: root.height * 0.15
        color: 0.0, 0.0, 0.0, 1

    #instructions label
    Label:
        id: info_label
        text: 'Notes: Select which motor you want to move\nSet speed then press Rotate DC motors with specific speed\nAn * means motor selected\nMust delete data from other DC motor in order to\nset data for different DC motor'
        font_size: 25
        center_x: root.width * -0.25
        y: root.height * 0.03
        color: 0.0, 0.0, 0.0, 1

    # label for title
    Label:
        text: 'DC Motor Screen'
        font_size: 40
        center_x: root.width * 0.0
        y: root.height * 0.45
        color: 0.0, 0.0, 0.0, 1

    # hidden label that appears when an error occurs
    Label:
        id: error_DC
        text: ''
        font_size: 40
        center_x: root.width * 0.0
        y: root.height * -0.45
        color: 0.0, 0.0, 0.0, 1