diff --git a/coal_power_station/generator.lua b/coal_power_station/generator.lua
index b952c21..fae05de 100644
--- a/coal_power_station/generator.lua
+++ b/coal_power_station/generator.lua
@@ -235,7 +235,7 @@ techage.register_node({"techage:generator", "techage:generator_on"}, {
 		return State:on_beduino_receive_cmnd(pos, topic, payload)
 	end,
 	on_beduino_request_data = function(pos, src, topic, payload)
-		local nvm = techage.get_nvm(pos)   
+		local nvm = techage.get_nvm(pos)
 		if topic == 135 then  -- Delivered Power
 			return 0, {math.floor((nvm.provided or 0) + 0.5)}
 		else
diff --git a/icta_controller/display.lua b/icta_controller/display.lua
index 5433f0e..1b1b1bc 100644
--- a/icta_controller/display.lua
+++ b/icta_controller/display.lua
@@ -215,10 +215,10 @@ function techage.display.write_row(pos, payload, cycle_time, beduino)
 	local nvm = techage.get_nvm(pos)
 	local mem = techage.get_mem(pos)
 	local str, row
-	
+
 	nvm.text = nvm.text or {}
 	mem.ticks = mem.ticks or 0
-	
+
 	if beduino then
 		row = tonumber(payload:sub(1,1) or "1") or 1
 		str = payload:sub(2) or "oops"
@@ -226,7 +226,7 @@ function techage.display.write_row(pos, payload, cycle_time, beduino)
 		str = tostring(payload.get("str")) or "oops"
 		row = tonumber(payload.get("row")) or 1
 	end
-	
+
 	if mem.ticks == 0 then
 		mem.ticks = cycle_time
 	end
diff --git a/logic/light_detector.lua b/logic/light_detector.lua
index 4c81a3e..41daa2e 100755
--- a/logic/light_detector.lua
+++ b/logic/light_detector.lua
@@ -36,7 +36,7 @@ local function switch_on(pos)
 end
 
 local function node_timer(pos)
-	
+
 	local nvm = techage.get_nvm(pos)
 
 	trigger = nvm.mode or 7