diff --git a/bt silicon/chipsets.lua b/bt silicon/chipsets.lua
new file mode 100644
index 0000000..1834c37
--- /dev/null
+++ b/bt silicon/chipsets.lua	
@@ -0,0 +1,27 @@
+for name, val in pairs({
+	mesecon = {
+	},
+	steel = {
+		mat = {name="default:steel_ingot", count=1},
+	},
+	gold = {
+		mat = {name="default:gold_ingot", count=1},
+	},
+	diamond = {
+		mat = {name="default:diamond", count=1},
+	},
+}) do
+	minetest.register_craftitem("buildtest:chipset_"..name, {
+		description = name.." chipset",
+		inventory_image = "buildtest_chipset_"..name..".png",
+	})
+	
+	buildtest.assembly.register_craft({
+		from={
+			{name = "mesecons:wire_00000000_off", count=1},
+			val.mat,
+		},
+		energy = 100,
+		output = {name="buildtest:gear_"..name, count=1},
+	})
+end
\ No newline at end of file
diff --git a/bt silicon/init.lua b/bt silicon/init.lua
new file mode 100644
index 0000000..cb34d7e
--- /dev/null
+++ b/bt silicon/init.lua	
@@ -0,0 +1 @@
+dofile(minetest.get_modpath("buildtest").."/bt silicon/chipsets.lua")
diff --git a/init.lua b/init.lua
index f17df95..dd01112 100644
--- a/init.lua
+++ b/init.lua
@@ -46,6 +46,7 @@ dofile(minetest.get_modpath("buildtest").."/support/entity.lua")
 dofile(minetest.get_modpath("buildtest").."/support/liquid.lua")
 dofile(minetest.get_modpath("buildtest").."/misc/init.lua")
 dofile(minetest.get_modpath("buildtest").."/bt factory/init.lua")
+dofile(minetest.get_modpath("buildtest").."/bt silicon/init.lua")
 
 dofile(minetest.get_modpath("buildtest").."/crafts.lua")
 
diff --git a/misc/assembly.lua b/misc/assembly.lua
index 943116b..aa54a43 100644
--- a/misc/assembly.lua
+++ b/misc/assembly.lua
@@ -28,6 +28,9 @@ buildtest.assembly = {
 			energy = 15,
 		},
 	},
+	register_craft = function(def)
+		buildtest.assembly.recipies[#buildtest.assembly.recipies+1]=def
+	end,
 	remove_items = function(inv, id)
 		if id==0 then return end
 		local rec = buildtest.assembly.recipies[buildtest.assembly.lookupId(inv, id)]
@@ -71,6 +74,17 @@ buildtest.assembly = {
 		end
 		return recipies
 	end,
+	get_ids = function(inv)
+		local ids = {}
+		for i=1, #buildtest.assembly.recipies do
+			ids[i]=0
+			if buildtest.assembly.can_make(inv, i) then
+				local rec = buildtest.assembly.recipies[i]
+				ids[#ids + 1] = {id=i, rec=rec, output = rec.output}
+			end
+		end
+		return ids
+	end,
 	check_config = function(meta)
 		if buildtest.assembly.can_make_rel(meta:get_inventory(), meta:get_int("selected"))==false then
 			meta:set_int("selected", 0)
@@ -84,7 +98,7 @@ buildtest.assembly = {
 		
 		local selId = meta:get_int("selected")
 		if selId~=0 then
-			local sel = buildtest.assembly.get_recipies(inv)[selId]
+			local sel = buildtest.assembly.recipies[selId]--buildtest.assembly.get_recipies(inv)[selId]
 			if sel~=nil and sel.rec~=nil and sel.rec.energy~=nil and sel.output~=nil then
 				local h = 4.0 * meta:get_int("power") / sel.rec.energy
 				formspec = formspec .. "box[4,"..(4-h)..";0.25,"..h..";#FF0000FF]" .. "box[4,0;0.25,"..(4-h)..";#000000FF]" .. "label[4,4;"..(h*100/4).."%]"
@@ -116,7 +130,7 @@ buildtest.assembly = {
 		local inv = meta:get_inventory()
 		local selId = meta:get_int("selected")
 		if selId~=0 then
-			local sel = buildtest.assembly.get_recipies(inv)[selId]
+			local sel = buildtest.assembly.recipies[selId]
 			if sel~=nil and sel.rec~=nil and sel.rec.energy~=nil and sel.output~=nil then
 				if meta:get_int("power") > sel.rec.energy then
 					local count = math.floor(meta:get_int("power") / sel.rec.energy)
diff --git a/misc/autocraft.lua b/misc/autocraft.lua
index 2aaef23..28b7cb7 100644
--- a/misc/autocraft.lua
+++ b/misc/autocraft.lua
@@ -43,7 +43,7 @@ buildtest.autocraft = {
 
 
 minetest.register_node("buildtest:autocraft", {
-	--tiles = {"buildtest_pump_mesecon.png"},
+	tiles = {"buildtest_autocraft.png"},
 	description = "Buildtest Automatic Crafting Table",
 	groups = {choppy=1, oddly_breakable_by_hand=3},
 	paramtype = "light",
diff --git a/pumps/pump_init.lua b/pumps/pump_init.lua
index 9516318..c1fe2c4 100644
--- a/pumps/pump_init.lua
+++ b/pumps/pump_init.lua
@@ -121,7 +121,7 @@ buildtest.pumps.send_power = function(pipepos, speed, movecount)
 			end
 		end
 	elseif buildtest.pumps.pumpible[minetest.get_node(pipepos).name]~=nil then
-		buildtest.pumps.pumpible[minetest.get_node(pipepos).name].power(pipepos, speed)
+		buildtest.pumps.pumpible[minetest.get_node(pipepos).name].power(pipepos, movecount, speed)
 	elseif strs:starts(minetest.get_node(pipepos).name, "buildtest:pipe_stripe_") then
 		local itemName = minetest.get_node(chestpos).name
 		if itemName~="air" and itemName~="ignore" then
diff --git a/textures/buildtest_assembly.png b/textures/buildtest_assembly.png
new file mode 100644
index 0000000..e7a94e5
Binary files /dev/null and b/textures/buildtest_assembly.png differ
diff --git a/textures/buildtest_autocraft.png b/textures/buildtest_autocraft.png
new file mode 100644
index 0000000..625ad6a
Binary files /dev/null and b/textures/buildtest_autocraft.png differ