Sayu grenade and assembly update

code/modules/assembly/voice.dm

@@ -0,0 +1,44 @@
+/obj/item/device/assembly/voice
+	name = "voice analyzer"
+	desc = "A small electronic device able to record a voice sample, and send a signal when that sample is repeated."
+	icon_state = "voice"
+	m_amt = 500
+	g_amt = 50
+	origin_tech = "magnets=1"
+	var/listening = 0
+	var/recorded = null	//the activation message
+
+	bomb_name = "voice-activated bomb"
+
+	describe()
+		if(recorded || listening)
+			return "A meter on [src] flickers with every nearby sound."
+		else
+			return "[src] is deactivated."
+
+	hear_talk(mob/living/M as mob, msg)
+		if(listening)
+			recorded = msg
+			listening = 0
+			var/turf/T = get_turf(src)	//otherwise it won't work in hand
+			T.visible_message("\icon[src] beeps, \"Activation message is '[recorded]'.\"")
+		else
+			if(findtext(msg, recorded))
+				pulse(0)
+
+	activate()
+		return // previously this toggled listning when not in a holder, that's a little silly.  It was only called in attack_self that way.
+
+
+	attack_self(mob/user)
+		if(!user || !secured)	return 0
+
+		listening = !listening
+		var/turf/T = get_turf(src)
+		T.visible_message("\icon[src] beeps, \"[listening ? "Now" : "No longer"] recording input.\"")
+		return 1
+
+
+	toggle_secure()
+		. = ..()
+		listening = 0