diff --git a/code/modules/integrated_electronics/_defines.dm b/code/modules/integrated_electronics/_defines.dm
index c7092c6fc35..97acfd2c981 100644
--- a/code/modules/integrated_electronics/_defines.dm
+++ b/code/modules/integrated_electronics/_defines.dm
@@ -98,7 +98,7 @@
 	if(!M.canmove || M.stat || M.restrained())
 		return
 
-	var/input = sanitizeSafe(input("What do you want to name the circuit?", ,""), MAX_NAME_LEN)
+	var/input = sanitizeSafe(input("What do you want to name the circuit?", "Rename", src.name), MAX_NAME_LEN)
 
 	if(src && input)
 		M << "<span class='notice'>The circuit '[src.name]' is now labeled '[input]'.</span>"
@@ -372,7 +372,7 @@
 	for(var/datum/integrated_io/input/I in inputs)
 		I.push_data()
 
-/obj/item/integrated_circuit/proc/work()
+/obj/item/integrated_circuit/proc/work(var/datum/integrated_io/io)
 	if(last_used + cooldown_per_use > world.time) 	// All intergrated circuits have an internal cooldown, to protect from spam.
 		return 0
 	last_used = world.time
diff --git a/code/modules/integrated_electronics/arithmetic.dm b/code/modules/integrated_electronics/arithmetic.dm
index 5f5a4f1d2e6..3fc60c64f9c 100644
--- a/code/modules/integrated_electronics/arithmetic.dm
+++ b/code/modules/integrated_electronics/arithmetic.dm
@@ -154,4 +154,30 @@
 	if(..())
 		var/datum/integrated_io/output/O = outputs[1]
 		O.data = 3.14159
-		O.push_data()
\ No newline at end of file
+		O.push_data()
+
+// Random //
+/obj/item/integrated_circuit/arithmetic/random
+	name = "random number generator circuit"
+	desc = "This gives a random (integer) number between values A and B inclusive."
+	icon_state = "random"
+	number_of_inputs = 2
+	number_of_outputs = 1
+	number_of_activators = 1
+	input_names = list(
+		"L",
+		"H"
+		)
+
+/obj/item/integrated_circuit/arithmetic/random/work()
+	if(..())
+		var/result = 0
+		var/datum/integrated_io/L = inputs[1]
+		var/datum/integrated_io/H = inputs[2]
+
+		if(isnum(L.data) && isnum(H.data))
+			result = rand(L.data, H.data)
+
+		for(var/datum/integrated_io/output/O in outputs)
+			O.data = result
+			O.push_data()
\ No newline at end of file
diff --git a/code/modules/integrated_electronics/converters.dm b/code/modules/integrated_electronics/converters.dm
index c9797fee45f..7a837abbfa3 100644
--- a/code/modules/integrated_electronics/converters.dm
+++ b/code/modules/integrated_electronics/converters.dm
@@ -92,5 +92,42 @@
 		if(incoming.data && istext(incoming.data))
 			result = uppertext(incoming.data)
 
+		outgoing.data = result
+		outgoing.push_data()
+
+/obj/item/integrated_circuit/converter/concatenatior
+	name = "concatenatior"
+	desc = "This joins many strings together to get one big string."
+	complexity = 4
+	number_of_inputs = 8
+	number_of_outputs = 1
+	number_of_activators = 1
+	input_names = list(
+		"A",
+		"B",
+		"C",
+		"D",
+		"E",
+		"F",
+		"G",
+		"H"
+		)
+	output_names = list(
+		"result"
+	)
+	activator_names = list(
+		"concatenate"
+	)
+
+
+/obj/item/integrated_circuit/converter/concatenatior/work()
+	if(..())
+		var/result = null
+		for(var/datum/integrated_io/input/I in inputs)
+			I.pull_data()
+			if(istext(I.data))
+				result = result + I.data
+
+		var/datum/integrated_io/outgoing = outputs[1]
 		outgoing.data = result
 		outgoing.push_data()
\ No newline at end of file
diff --git a/code/modules/integrated_electronics/input_output.dm b/code/modules/integrated_electronics/input_output.dm
index 18e75f0a5d6..6a3ef7a065b 100644
--- a/code/modules/integrated_electronics/input_output.dm
+++ b/code/modules/integrated_electronics/input_output.dm
@@ -307,4 +307,65 @@
 
 /obj/item/integrated_circuit/output/screen/work()
 	var/datum/integrated_io/I = inputs[1]
-	stuff_to_display = I.data
\ No newline at end of file
+	stuff_to_display = I.data
+
+/obj/item/integrated_circuit/output/light
+	name = "light"
+	desc = "This light can turn on and off on command."
+	icon_state = "light_adv"
+//	icon_state = "light"
+	complexity = 4
+	number_of_inputs = 0
+	number_of_outputs = 0
+	number_of_activators = 1
+	activator_names = list(
+		"toggle light"
+	)
+	var/light_toggled = 0
+	var/light_brightness = 3
+	var/light_rgb = "#FFFFFF"
+
+/obj/item/integrated_circuit/output/light/work()
+	if(..())
+		light_toggled = !light_toggled
+		update_lighting()
+
+/obj/item/integrated_circuit/output/light/proc/update_lighting()
+	if(light_toggled)
+		set_light(l_range = light_brightness, l_power = light_brightness, l_color = light_rgb)
+	else
+		set_light(0)
+
+/obj/item/integrated_circuit/output/light/advanced/update_lighting()
+	var/datum/integrated_io/R = inputs[1]
+	var/datum/integrated_io/G = inputs[2]
+	var/datum/integrated_io/B = inputs[3]
+	var/datum/integrated_io/brightness = inputs[4]
+
+	if(isnum(R.data) && isnum(G.data) && isnum(B.data) && isnum(brightness.data))
+		R.data = Clamp(R.data, 0, 255)
+		G.data = Clamp(G.data, 0, 255)
+		B.data = Clamp(B.data, 0, 255)
+		brightness.data = Clamp(brightness.data, 0, 6)
+		light_rgb = rgb(R.data, G.data, B.data)
+		light_brightness = brightness.data
+
+	..()
+
+/obj/item/integrated_circuit/output/light/advanced
+	name = "advanced light"
+	desc = "This light can turn on and off on command, in any color, and in various brightness levels."
+	icon_state = "light_adv"
+	complexity = 8
+	number_of_inputs = 4
+	number_of_outputs = 0
+	number_of_activators = 1
+	input_names = list(
+		"R",
+		"G",
+		"B",
+		"Brightness"
+	)
+
+/obj/item/integrated_circuit/output/light/advanced/on_data_written()
+	update_lighting()
\ No newline at end of file
diff --git a/code/modules/integrated_electronics/tools.dm b/code/modules/integrated_electronics/tools.dm
index 4ef220c3736..915fe0f17ba 100644
--- a/code/modules/integrated_electronics/tools.dm
+++ b/code/modules/integrated_electronics/tools.dm
@@ -9,8 +9,8 @@
 	desc = "It's a small wiring tool, with a wire roll, electric soldering iron, wire cutter, and more in one package. \
 	The wires used are generally useful for small electronics, such as circuitboards and breadboards, as opposed to larger wires \
 	used for power or data transmission."
-	icon = 'icons/obj/hacktool.dmi'
-	icon_state = "hacktool-g"
+	icon = 'icons/obj/electronic_assemblies.dmi'
+	icon_state = "wirer-wire"
 	flags = CONDUCT
 	w_class = 2
 	var/datum/integrated_io/selected_io = null
@@ -19,11 +19,15 @@
 /obj/item/device/integrated_electronics/wirer/New()
 	..()
 
+/obj/item/device/integrated_electronics/wirer/update_icon()
+	icon_state = "wirer-[mode]"
+
 /obj/item/device/integrated_electronics/wirer/proc/wire(var/datum/integrated_io/io, mob/user)
 	if(mode == WIRE)
 		selected_io = io
 		user << "<span class='notice'>You attach a data wire to \the [selected_io.holder]'s [selected_io.name] data channel.</span>"
 		mode = WIRING
+		update_icon()
 	else if(mode == WIRING)
 		if(io == selected_io)
 			user << "<span class='warning'>Wiring \the [selected_io.holder]'s [selected_io.name] into itself is rather pointless.</span>"
@@ -37,6 +41,7 @@
 
 		user << "<span class='notice'>You connect \the [selected_io.holder]'s [selected_io.name] to \the [io.holder]'s [io.name].</span>"
 		mode = WIRE
+		update_icon()
 		//io.updateDialog()
 		//selected_io.updateDialog()
 		selected_io.holder.interact(user) // This is to update the UI.
@@ -50,6 +55,7 @@
 			return
 		user << "<span class='notice'>You prepare to detach a data wire from \the [selected_io.holder]'s [selected_io.name] data channel.</span>"
 		mode = UNWIRING
+		update_icon()
 		return
 
 	else if(mode == UNWIRING)
@@ -67,6 +73,7 @@
 			selected_io.holder.interact(user) // This is to update the UI.
 			selected_io = null
 			mode = UNWIRE
+			update_icon()
 		else
 			user << "<span class='warning'>\The [selected_io.holder]'s [selected_io.name] and \the [io.holder]'s \
 			[io.name] are not connected.</span>"
@@ -89,6 +96,7 @@
 				user << "<span class='notice'>You decide not to disconnect the data channel.</span>"
 			selected_io = null
 			mode = UNWIRE
+	update_icon()
 	user << "<span class='notice'>You set \the [src] to [mode].</span>"
 
 #undef WIRE
@@ -100,8 +108,8 @@
 	name = "circuit debugger"
 	desc = "This small tool allows one working with custom machinery to directly set data to a specific pin, useful for writing \
 	settings to specific circuits, or for debugging purposes.  It can also pulse activation pins."
-	icon = 'icons/obj/hacktool.dmi'
-	icon_state = "hacktool"
+	icon = 'icons/obj/electronic_assemblies.dmi'
+	icon_state = "debugger"
 	flags = CONDUCT
 	w_class = 2
 	var/data_to_write = null
diff --git a/code/modules/research/designs.dm b/code/modules/research/designs.dm
index ddbdfb2cdd5..b99543514aa 100644
--- a/code/modules/research/designs.dm
+++ b/code/modules/research/designs.dm
@@ -1581,6 +1581,11 @@ CIRCUITS BELOW
 	build_path = /obj/item/integrated_circuit/arithmetic/pi
 	sort_string = "WAAAG"
 
+/datum/design/circuit/integrated_circuit/arithmetic/random
+	id = "cc-random"
+	build_path = /obj/item/integrated_circuit/arithmetic/random
+	sort_string = "WAAAH"
+
 
 
 /datum/design/circuit/integrated_circuit/converter/AssembleDesignName()
@@ -1612,6 +1617,11 @@ CIRCUITS BELOW
 	build_path = /obj/item/integrated_circuit/converter/uppercase
 	sort_string = "WAABD"
 
+/datum/design/circuit/integrated_circuit/converter/concatenatior
+	id = "cc-concatenatior"
+	build_path = /obj/item/integrated_circuit/converter/concatenatior
+	sort_string = "WAABC"
+
 
 
 /datum/design/circuit/integrated_circuit/coordinate/AssembleDesignName()
@@ -1712,6 +1722,15 @@ CIRCUITS BELOW
 	build_path = /obj/item/integrated_circuit/input/signaler
 	sort_string = "WAAEJ"
 
+/datum/design/circuit/integrated_circuit/input_output/light
+	id = "cc-light"
+	build_path = /obj/item/integrated_circuit/output/light
+	sort_string = "WAAEH"
+
+/datum/design/circuit/integrated_circuit/input_output/adv_light
+	id = "cc-adv_light"
+	build_path = /obj/item/integrated_circuit/output/light/advanced
+	sort_string = "WAAEI"
 
 
 /datum/design/circuit/integrated_circuit/logic/AssembleDesignName()
@@ -1776,7 +1795,7 @@ CIRCUITS BELOW
 	id = "cc-smoke"
 	build_path = /obj/item/integrated_circuit/manipulation/smoke
 	sort_string = "WAAGB"
-	req_tech = list(TECH_ENGINEERING = 3, TECH_DATA = 3, TECH_BIOMED = 4)
+	req_tech = list(TECH_ENGINEERING = 3, TECH_DATA = 3, TECH_BIO = 4)
 
 /datum/design/circuit/integrated_circuit/manipulation/locomotion
 	name = "locomotion"
diff --git a/icons/obj/electronic_assemblies.dmi b/icons/obj/electronic_assemblies.dmi
index c37e2e78637..c7bf1845a04 100644
Binary files a/icons/obj/electronic_assemblies.dmi and b/icons/obj/electronic_assemblies.dmi differ