startup

channel = 737

modem = peripheral.wrap("top")
modem.open(channel)

cmd = ""

function transmitCMD(cmd)
    modem.transmit(channel,channel,cmd)
end

transmitCMD("off")

repeat
    term.clear()
    term.setCursorPos(1,1)
    print("Enter State (on/off): ")
    cmd = read()

    if(cmd == "exit") then
        print("exiting")
    else
        transmitCMD(cmd)
    end
until cmd == "exit"