reactor

local reactor = peripheral.wrap("back")
local cell = peripheral.wrap("right")
local mon = peripheral.wrap("left")
local max = cell.getMaxEnergyStored("right")
local Lthreshold = max / 2
local Uthreshold = max - 5000
local str = "off"

local function getPower()
  local energy = cell.getEnergyStored("right")
  return energy
end

while true do
  if(getPower() > Uthreshold) then
    reactor.setActive("false")
    str = "off"
  elseif(getPower() < Lthreshold) then
    reactor.setActive("true")
    str = "on"
  end

  mon.clear()
  mon.setCursorPos(0,0)
  mon.write(str)
  print(str)

  os.sleep(10)
end