pinLabel = main:addLabel()
    :setText("")
    :setFontSize(1)

enterButton = main:addButton()
    :setText(">>>>")
    :setBackground(colors.blue)
    :setPosition(6,3)
    :setSize(1.5,3.2)
    :onClick(unlockDoor)

for i = 1, 9 do
    local button = main:addButton()
        :setPosition(btnX,btnY)
        :setText(tostring(i))
        :setSize(2,1)
        :onClick(
            function()
                addToPin(i)
            end)
    btnX = btnX + 2
    
    if btnX >= 6 then
        btnY = btnY + 1
        btnX = 1
    end
    
end

parallel.waitForAll(basalt.autoUpdate, updateChecker)