BitNet Repeater

local modem = {peripheral.find("modem")}
for i = 1, #modem do modem[i].open(rednet.CHANNEL_REPEAT) end

local tower = {peripheral.find("bitnet_tower", function(name, object) return object.isTowerComplete() end)}

local repeated, msgID, timerID, myEvent = 0, {}, {}

local function RedstoneSetSignal(signal)

    if signal == "on" then
        for k,v in pairs(redstone.getSides()) do
            redstone.setOutput(v, true)
        end
    elseif signal == "off" then
        for k,v in pairs(redstone.getSides()) do
            redstone.setOutput(v, false)
        end
    end

end

while true do

    myEvent = {os.pullEvent()}

    -- Message arriving via tower:
    if myEvent[1] == "modem_message" then
        print("Message: "..myEvent[5])
        RedstoneSetSignal(myEvent[5])
    end

end