Add an ABM function which resets heat to 0, since gates/controllers won't be cooled normally if they are moved (piston, etc...) during the cooling delay.

mesecons/services.lua

@@ -25,5 +25,15 @@ mesecon.on_dignode = function (pos, node)
 	end
 end
 
+minetest.register_abm({
+	nodenames = {"group:overheat"},
+	interval = 1.0,
+	chance = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		local meta = minetest.env:get_meta(pos)
+		meta:set_int("heat",0)
+	end,
+})
+
 minetest.register_on_placenode(mesecon.on_placenode)
 minetest.register_on_dignode(mesecon.on_dignode)

mesecons_gates/init.lua

@@ -47,7 +47,7 @@ function set_gate(pos, on)
 	local meta = minetest.env:get_meta(pos)
 	if on ~= gate_state(pos) then
 		yc_heat(meta)
-		minetest.after(0.5, yc_cool, meta)
+		--minetest.after(0.5, yc_cool, meta)
 		if yc_overheat(meta) then
 			pop_gate(pos)
 		else
@@ -112,13 +112,13 @@ for _, gate in ipairs(gates) do
 			drop = nodename.."_off"
 			nodename = nodename.."_"..onoff
 			description = "You hacker you!"
-			groups = {dig_immediate=2, not_in_creative_inventory=1}
+			groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
 		else
 			onoff = "off"
 			drop = nil
 			nodename = nodename.."_"..onoff
 			description = gate.name.." Gate"
-			groups = {dig_immediate=2}
+			groups = {dig_immediate=2, overheat = 1}
 		end
 
 		tiles = "jeija_microcontroller_bottom.png^"..

mesecons_luacontroller/init.lua

@@ -100,17 +100,17 @@ local heat = function (meta) -- warm up
 	end
 end
 
-local cool = function (meta) -- cool down after a while
-	h = meta:get_int("heat")
-	if h ~= nil then
-		meta:set_int("heat", h - 1)
-	end
-end
+--local cool = function (meta) -- cool down after a while
+--	h = meta:get_int("heat")
+--	if h ~= nil then
+--		meta:set_int("heat", h - 1)
+--	end
+--end
 
 local overheat = function (meta) -- determine if too hot
 	h = meta:get_int("heat")
 	if h == nil then return true end -- if nil then overheat
-	if h > 20 then 
+	if h > 40 then 
 		return true
 	else 
 		return false 
@@ -258,7 +258,7 @@ end
 local do_overheat = function (pos, meta)
 	-- Overheat protection
 	heat(meta)
-	minetest.after(0.5, cool, meta)
+	--minetest.after(0.5, cool, meta)
 	if overheat(meta) then
 		mesecon:swap_node(pos, BASENAME.."_burnt")
 		minetest.env:get_meta(pos):set_string("lc_interrupts", "")
@@ -412,9 +412,9 @@ if d == 1 then
 end
 
 if a + b + c + d ~= 0 then
-	groups = {dig_immediate=2, not_in_creative_inventory=1}
+	groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
 else
-	groups = {dig_immediate=2}
+	groups = {dig_immediate=2, overheat = 1}
 end
 
 output_rules[cid] = {}

mesecons_microcontroller/init.lua

@@ -19,9 +19,9 @@ if tostring(d) == "1" then
 	top = top.."^jeija_microcontroller_LED_D.png"
 end
 if tostring(d)..tostring(c)..tostring(b)..tostring(a) ~= "0000" then
-	groups = {dig_immediate=2, not_in_creative_inventory=1, mesecon = 3}
+	groups = {dig_immediate=2, not_in_creative_inventory=1, mesecon = 3, overheat = 1}
 else
-	groups = {dig_immediate=2, mesecon = 3}
+	groups = {dig_immediate=2, mesecon = 3, overheat = 1}
 end
 local rules={}
 if (a == 1) then table.insert(rules, {x = -1, y = 0, z =  0}) end
@@ -162,7 +162,7 @@ end
 function update_yc(pos)
 	local meta = minetest.env:get_meta(pos)
 	yc_heat(meta)
-	minetest.after(0.5, yc_cool, meta)
+	--minetest.after(0.5, yc_cool, meta)
 	if (yc_overheat(meta)) then
 		minetest.env:remove_node(pos)
 		minetest.after(0.2, yc_overheat_off, pos) --wait for pending parsings
@@ -674,17 +674,17 @@ function yc_heat(meta)
 	end
 end
 
-function yc_cool(meta)
-	h = meta:get_int("heat")
-	if h ~= nil then
-		meta:set_int("heat", h - 1)
-	end
-end
+--function yc_cool(meta)
+--	h = meta:get_int("heat")
+--	if h ~= nil then
+--		meta:set_int("heat", h - 1)
+--	end
+--end
 
 function yc_overheat(meta)
 	h = meta:get_int("heat")
 	if h == nil then return true end -- if nil the overheat
-	if h>30 then 
+	if h>60 then 
 		return true
 	else 
 		return false