startup

local monitor = peripheral.wrap("top")

term.scroll(1)

while true do
  local val = redstone.getBundledInput("left")
  os.sleep(0.1)
  monitor.clear()
  monitor.setCursorPos(1,1)
  monitor.setTextScale(5)
  monitor.write("val: ")
  monitor.write(val)
  term.clear()
  term.setCursorPos(1,1)
  term.write(val)
end