reactor

mfe = peripheral.wrap("right")
ass = peripheral.wrap("back")
while true do
  euPercent = mfe.getEUStored() / mfe.getEUCapacity()
  if euPercent==1 then
    rs.setOutput("back", false)
  elseif euPercent<=.9 then
    rs.setOuput("back", true)
  end
  print(euPercent)
  sleep(1)
end