MobileComs.lua

local PortMobile = 0

local PingDB = 0
local function PingOtherDevices()
    if PingDB >= 20 then
        rednet.send(1,"Hello")
    end
    PingDB = PingDB + 1
end

local function GetPings()
    local ID, message = rednet.receive(nil,.05)
    if message then
        print(ID.." : "..message)
    end
end

while true do
    sleep(.05)
    GetPings()
    PingOtherDevices()
end