Reactor Controller

local capacitor = peripheral.find("tile_blockcapacitorbank_name")
if not capacitor then
    error("no capacitor found", 0)
    return
end
local reactor = peripheral.find("BigReactors-Reactor")
if not reactor then
    error("no reactor found", 0)
    return
end

local minimum = 1000000 -- if the capacitor has less than this amount of energy, the reactor will power on
local maximum = 1000000 -- if the capacitor has the maximum amount of energy minus this, the reactor will power off

while true do
    local eMax = capacitor.getMaxEnergyStored()
    local eStored = capacitor.getEnergyStored()
    if eStored < minimum then
        reactor.setActive(true)
    end
    if eStored > eMax - maximum then
        reactor.setActive(false)
    end

    sleep(5)
end