rednet_modem

rednet.open("top")
--rednet.send(3, "handshake")
--rednet.broadcast("watch out!")
--local sender, message = rednet.receive()
--print("Computer #" .. tostring(sender) .. " is complaining again")

while (true) do
local sender, message = rednet.receive(1)
if message ~= nil then
if (message == "redon") then
    rs.setOuput("right",true)
elseif (message == "redoff") then
    rs.setOuput("right",false)
end
end
end