reactorcontrol

BUFFER_SIZE = 5000000
MIN_BUFFER = 0.2
MAX_BUFFER = 0.7

reactor = peripheral.wrap("back")

while true do
    stored = reactor.getEnergyStored()
    if stored > MAX_BUFFER * BUFFER_SIZE then
        reactor.setActive(false)
    elseif stored < MIN_BUFFER * BUFFER_SIZE then
        reactor.setActive(true)
    end
    sleep(5)
end