adjusted for mains switch

mqtt.lua

@@ -4,9 +4,9 @@ BRUSER = ""
 BRPWD  = "" 
 CLIENTID = "ESP8266-" ..  node.chipid()
 
-SWITCH_PIN = 0
+SWITCH_PIN = 3
 
-SWITCH_ID = 0
+SWITCH_ID = 1
 
 topics = {"IoT/Watchdog", "IoT/Switch" .. SWITCH_ID} 
 TOPIC_WATCHDOG = 1
@@ -90,9 +90,9 @@ function run_main_prog()
           if (switch_state ~= old_switch_state) then
             old_switch_state = switch_state
             if (switch_state) then
-              gpio.write(SWITCH_PIN, gpio.HIGH)
-            else
               gpio.write(SWITCH_PIN, gpio.LOW)
+            else
+              gpio.write(SWITCH_PIN, gpio.HIGH)
             end
           end
         end