redstone-control-2

local modem = component.proxy(component.list('modem')())
local redstone = component.proxy(component.list('redstone')())

modem.open(4)

while true do

local name, _, _, _, _, message = computer.pullSignal()
  if name == "modem_message" then

 var = tonumber(message)
 redstone.setOutput(4, var)

 end
end