gui.kv

<MyLayout>:
    BoxLayout:
        spacing: 10
        padding: 10,10,10,0
        orientation: "horizontal"
        BoxLayout:
            orientation: "vertical"
            size_hint: 0.3,1
            canvas:
                Rectangle:
                    pos: self.pos
                    size: self.size
            AsyncImage
                source: 'https://upload.wikimedia.org/wikipedia/tr/e/e7/K%C4%B1rklareli_%C3%9Cniversitesi_logosu.jpg'
            Label:
                size_hint: 1,0.3
                text: root.your_time
                color: [0,0,0,1]
            Label:
                size_hint: 1,0.3
                text: "Kırklareli Üniversitesi"
                color: [0,0,0,1]

        Button:
            text: ""

    BoxLayout:
        padding: 10,10,10,0
        spacing: 10
        size_hint: 1,0.3
        orientation: "horizontal"
        Button:
            text: "Batarya Durumu"
            on_press:
                root.manager.transition.direction = 'up'
                root.manager.current = 'batarya'
        Button:
            text: "Silecek"
        Button:
            text: "Far"
        Button:
            text: "Harita"
        Button:
            text: "Hata Kontrol"

    BoxLayout:
        padding: 10,10,10,10
        size_hint: 1,0.3
        Button:
            text: "Motor ve Kontak"

<BataryaScreen>
    BoxLayout:
        Button:
            text: "Geri Don"
            on_press:
                root.manager.transition.direction = 'down'
                root.manager.current = 'MyLayout'