diff --git a/.luacheckrc b/.luacheckrc
index 0a2d0fe..bffcca4 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -13,6 +13,5 @@ read_globals = {
 	"vector", "ItemStack",
 	"dump", "VoxelArea",
 
-	"unifieddyes", "mesecon", "default",
-	"scifi_nodes"
+	"unifieddyes", "mesecon", "default"
 }
diff --git a/card_scanner.lua b/card_scanner.lua
index cbc9283..fa05582 100644
--- a/card_scanner.lua
+++ b/card_scanner.lua
@@ -23,7 +23,7 @@ local function activate_palm_scanner(pos, node, player)
   if meta:get_int("configured") ~= 1 then
 
     if key_name then
-      minetest.sound_play("scifi_nodes_palm_scanner", {max_hear_distance = 8, pos = pos, gain = 1.0})
+      minetest.sound_play("access_cards_scanning", {max_hear_distance = 8, pos = pos, gain = 1.0})
       meta:set_string("key", key_name)
       meta:set_int("configured", 1)
       minetest.chat_send_player(name, "Scanner-key set to '" .. key_name .. "'")
@@ -41,13 +41,14 @@ local function activate_palm_scanner(pos, node, player)
     minetest.swap_node(pos, node)
 
 		minetest.chat_send_player(name, "Access denied !")
-		minetest.sound_play("scifi_nodes_scanner_refused", {max_hear_distance = 8, pos = pos, gain = 1.0})
+		minetest.sound_play("access_cards_refused", {max_hear_distance = 8, pos = pos, gain = 1.0})
 
 	else
     node.name = "access_cards:palm_scanner_on"
 		minetest.swap_node(pos, node)
 
 		minetest.chat_send_player(name, "Access granted !")
+    minetest.sound_play("access_cards_granted", {max_hear_distance = 8, pos = pos, gain = 1.0})
 		mesecon.receptor_on(pos)
 
     -- reset state
@@ -62,9 +63,9 @@ end
 
 minetest.register_node("access_cards:palm_scanner_off", {
 	description = "Palm scanner",
-	tiles = {"scifi_nodes_palm_scanner_off.png",},
-	inventory_image = "scifi_nodes_palm_scanner_off.png",
-	wield_image = "scifi_nodes_palm_scanner_on.png",
+	tiles = {"access_cards_scanner_off.png",},
+	inventory_image = "access_cards_scanner_off.png",
+	wield_image = "access_cards_scanner_on.png",
 	drawtype = "signlike",
 	sunlight_propagates = true,
 	buildable_to = false,
@@ -85,7 +86,7 @@ minetest.register_node("access_cards:palm_scanner_off", {
 minetest.register_node("access_cards:palm_scanner_checking", {
 	description = "Palm scanner",
 	tiles = {{
-		name = "scifi_nodes_palm_scanner_checking.png",
+		name = "access_cards_scanner_checking.png",
 		animation = {type = "vertical_frames",aspect_w = 16,aspect_h = 16,length = 1.5}
 	}},
 	drawtype = "signlike",
@@ -104,9 +105,9 @@ minetest.register_node("access_cards:palm_scanner_on", {
 	description = "Palm scanner",
 	sunlight_propagates = true,
 	buildable_to = false,
-	tiles = {"scifi_nodes_palm_scanner_on.png",},
-	inventory_image = "scifi_nodes_palm_scanner_on.png",
-	wield_image = "scifi_nodes_palm_scanner_on.png",
+	tiles = {"access_cards_scanner_on.png",},
+	inventory_image = "access_cards_scanner_on.png",
+	wield_image = "access_cards_scanner_on.png",
 	drawtype = "signlike",
 	node_box = {type = "wallmounted",},
 	selection_box = {type = "wallmounted",},
diff --git a/init.lua b/init.lua
index 15c7cd4..fe523c8 100644
--- a/init.lua
+++ b/init.lua
@@ -5,7 +5,7 @@ access_cards = {}
 dofile(MP.."/form.accesscard.lua")
 dofile(MP.."/cards.lua")
 
-if minetest.get_modpath("scifi_nodes") and minetest.get_modpath("mesecons") then
+if minetest.get_modpath("mesecons") then
   dofile(MP.."/card_scanner.lua")
 end
 
diff --git a/mod.conf b/mod.conf
index ca8b004..0ab9cb2 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = access_cards
 depends = unifieddyes
-optional_depends = scifi_nodes, mesecons
+optional_depends = mesecons
diff --git a/sounds/access_cards_granted.ogg b/sounds/access_cards_granted.ogg
new file mode 100644
index 0000000..195a216
Binary files /dev/null and b/sounds/access_cards_granted.ogg differ
diff --git a/sounds/access_cards_refused.ogg b/sounds/access_cards_refused.ogg
new file mode 100644
index 0000000..d6c8363
Binary files /dev/null and b/sounds/access_cards_refused.ogg differ
diff --git a/sounds/access_cards_scanning.ogg b/sounds/access_cards_scanning.ogg
new file mode 100644
index 0000000..05bdcd5
Binary files /dev/null and b/sounds/access_cards_scanning.ogg differ
diff --git a/textures/access_cards_scanner_checking.png b/textures/access_cards_scanner_checking.png
new file mode 100644
index 0000000..eef3c0f
Binary files /dev/null and b/textures/access_cards_scanner_checking.png differ
diff --git a/textures/access_cards_scanner_off.png b/textures/access_cards_scanner_off.png
new file mode 100644
index 0000000..dea5a96
Binary files /dev/null and b/textures/access_cards_scanner_off.png differ
diff --git a/textures/access_cards_scanner_on.png b/textures/access_cards_scanner_on.png
new file mode 100644
index 0000000..5d00c1a
Binary files /dev/null and b/textures/access_cards_scanner_on.png differ