p = peripheral.wrap("back")
  Print("Enter Setpoint:")
  y=read()
while true do
  x = p.getPressure()

  term.write("Current Pressure:")
  term.write(x)
  sleep(5)
  term.clear()
  term.setCursorPos(1,3)

  term.write("Current Setpoint:")
  term.write(y)
  sleep(5)
  term.clear()
  term.setCursorPos(1,2)
  if x>y then
     rs.setOuput("right",false)
  else
    rs.setOutput("right",true)
  end
end