startup

while true do
  term.redirect(peripheral.wrap("left"));

  event = os.pullEvent("redstone");
  redstoneLevel = math.floor(redstone.getAnalogInput("back")) + 2;

  print("Event triggered - level: ");
  print(redstoneLevel);

  term.clear();
  term.setCursorPos(0,0);
  term.setTextScale(2);
  term.write(tostring(redstoneLevel) + "%");
end