nuke control

time_on = 15
time_off = 25
status = false
on = true

os.startTimer(1)

while true do
  event = os.pullEvent()
  status = redstone.getInput("right")
  if status then
    if on then
      rs.setBundledOutput("back", colors.white)
      on = false
      os.startTimer(time_on)
    else
      rs.setBundledOutput("back", 0)
      on = true
      os.startTimer(time_off)
    end
  else
    rs.setBundledOutput("back", 0)
  end
end