CC: Botania Dandelifeon Reciever

local channel = 69

local Peripherals = {
    MODEM = "top",
    DANDELIFEON = "bottom"
}

modem = peripheral.wrap(Peripherals.MODEM)

local e, side, ch, replyCh, msg, dist

local function listen()
    modem.open(channel)
    e, side, ch, replyCh, msg, dist = os.pullEvent("modem_message")
    if ch == channel then
        return true
    end
    return false
end

local function main()
    if listen() then
        if msg == "on" then
            redstone.setOutput("bottom", true)
        elseif msg == "off" then
            redstone.setOutput("bottom", false)
        end
    end
end

while true do
    main()
end