diff --git a/tubelib_addons2/logic_not.lua b/tubelib_addons2/logic_not.lua
new file mode 100644
index 0000000..1071341
--- /dev/null
+++ b/tubelib_addons2/logic_not.lua
@@ -0,0 +1,94 @@
+--[[
+
+	Tubelib Addons 2
+	================
+
+	Copyright (C) 2017 Joachim Stolberg
+
+	LGPLv2.1+
+	See LICENSE.txt for more information
+
+	logic_not.lua:
+	
+]]--
+
+local function formspec(meta)
+	local numbers = meta:get_string("numbers")
+	return "size[7,5]"..
+		"field[0.5,2;6,1;number;Destination node numbers;"..numbers.."]" ..
+		"button_exit[1,3;2,1;exit;Save]"
+end	
+
+minetest.register_node("tubelib_addons2:logic_not", {
+	description = "Tubelib Logic Not",
+	tiles = {
+		-- up, down, right, left, back, front
+		'tubelib_front.png',
+		'tubelib_front.png',
+		'tubelib_front.png^tubelib_addon2_logic_not.png',
+	},
+
+	after_place_node = function(pos, placer)
+		local meta = minetest.get_meta(pos)
+		local own_number = tubelib.add_node(pos, "tubelib_addons2:logic_not")
+		meta:set_string("own_number", own_number)
+		meta:set_string("formspec", formspec(meta))
+		meta:set_string("infotext", "Tubelib Logic Not "..own_number..": not connected")
+		meta:set_string("owner", placer:get_player_name())
+	end,
+
+	on_receive_fields = function(pos, formname, fields, player)
+		local meta = minetest.get_meta(pos)
+		local owner = meta:get_string("owner")
+		if owner ~= player:get_player_name() then
+			return
+		end
+		
+		if tubelib.check_numbers(fields.number) then
+			meta:set_string("numbers", fields.number)
+			local own_number = meta:get_string("own_number")
+			meta:set_string("infotext", "Tubelib Logic Not "..own_number..": connected with "..fields.number)
+			meta:set_string("formspec", formspec(meta))
+		end
+	end,
+	
+	after_dig_node = function(pos)
+		tubelib.remove_node(pos)
+	end,
+
+	paramtype = "light",
+	sunlight_propagates = true,
+	paramtype2 = "facedir",
+	groups = {choppy=2, cracky=2, crumbly=2},
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+minetest.register_craft({
+	output = "tubelib_addons2:logic_not",
+	recipe = {
+		{"", "tubelib:wlanchip", ""},
+		{"group:wood", "", "group:wood"},
+		{"", "tubelib:wlanchip", ""},
+	},
+})
+
+tubelib.register_node("tubelib_addons2:logic_not", {}, {
+	on_recv_message = function(pos, topic, payload)
+		local meta = minetest.get_meta(pos)
+		local owner = meta:get_string("owner")
+		local numbers = meta:get_string("numbers")
+		local own_number = meta:get_string("own_number")
+		if topic == "set_numbers" then
+			meta:set_string("infotext", "Tubelib Logic Not "..own_number..": connected with "..payload)
+			meta:set_string("numbers", payload)
+			meta:set_string("formspec", formspec(meta))
+			return true
+		elseif topic == "on" then
+			return tubelib.send_message(numbers, owner, nil, "off", payload)
+		elseif topic == "off" then
+			return tubelib.send_message(numbers, owner, nil, "on", payload)
+		end
+	end,
+})		
diff --git a/tubelib_addons2/textures/tubelib_addon2_logic_not.png b/tubelib_addons2/textures/tubelib_addon2_logic_not.png
new file mode 100644
index 0000000..2106466
Binary files /dev/null and b/tubelib_addons2/textures/tubelib_addon2_logic_not.png differ