ReactorControlSystem

--Variables

EnergyCellName = ""
ReactorName = ""
SwitchRate = 0.9

-- code

ecell = peripheral.wrap(EnergyCellName)
react = peripheral.wrap(ReactorName)

while true do

ecur = ecell.getEnergyStored()
emax = ecell.getMaxEnergyStored()

rcur = react.getEnergyStored()
rmax = 10000000

react.setActive(ecur/emax < SwitchRate or rcur/rmax < SwitchRate)

end