TableSlave

local num = 8
rednet.open("top")
rs.setOutput("back",true)
while true do
  print("En attente...")
  id, message = rednet.receive()
  print(message)
  state = tonumber(string.sub(message,num,num))
  print(state)
  if state == 0 then
    rs.setOutput("back",true)
  elseif state == 1 then
    rs.setOutput("back",false)
  end
end