Minecraft>BaseDoor

rednet.open("right")
local val = 0
local msg = "door-on"
while true do
        event, id, text = os.pullEvent()
        if event == "redstone" then
                if msg == "door-on" then
                        val = redstone.getAnalogInput("back")
                        if val >= 10 then
                        redstone.setOutput("left", false)
                        else
                        redstone.setOutput("left", true)
                        end
                end
        elseif event == "rednet_message" then
                if id == 24 then
                        if text == "door-on" and msg == "door-off" then
                                msg = text
                redstone.setOutput("left", true)
                        elseif text == "door-off" and msg == "door-on" then
                msg = text
            end
                end
        end
end