controller = peripheral.wrap("bottom") -- Defines the controller to the left of the computer
controller.setRelativeMode(true, 1920, 1080) -- Convenient Aspect ratio for most screens
while true do
  local timer = os.startTimer(1)
  local event, id
  repeat
    event, id = os.pullEvent("timer")
  until id == timer
  texttoshow = "Test"
  controller.clear() -- If you don't do this, the texts will draw over each other
  controller.drawCircle(-10, 540, 100, 0x000000)
  controller.drawCenteredString("Hello World", -10, 540, 0xffffff)
  controller.drawCenteredString(texttoshow, -10, 560, 0xffffff)

end