Automatically switch off WiFi if there is no connection for a certain period of time.

This Tasker recipe is to automate the switching off of your WiFi setting when there are no WiFi connection for a period of time. Basically there are 2 profile to set. The first profile to provide a variable to flag if the WiFi is connected or not. The 2nd profile is to start the timer when WiFi is disconnected. After a given period of time if the WiFi does not reconnect, WiFi will be switched off.

I created this Tasker recipe to save some battery on my Samsung Galaxy Nexus when the WiFi is on but no connection. 

Note: you cannot import this file into Tasker. Use this as a guide to create your own profiles.

Check if WiFi is connected

Profile: Check if WiFi is connected
State: Wifi Connected [ SSID:* MAC:* IP:* ]
Enter: Anon

<Set the variable to flag for WiFi connection>
A1: Variable Set [ Name:%Wificonn To:On Do Maths:Off Append:Off ]

Exit: Anon

<Set the variable to flag for no WiFi connection>
A1: Variable Set [ Name:%Wificonn To:Off Do Maths:Off Append:Off ]

WiFi timer

Profile: WiFi timer
State: Variable Value [ Name:%WIFI Op:Matches Value:on ]
State: Not Wifi Connected [ SSID:* MAC:* IP:* ]
Enter: Anon 

<This is how much time to wait for WiFi reconnection. Change the period to your liking>
A1: Wait [ MS:0 Seconds:59 Minutes:0 Hours:0 Days:0 ]
<Check if WiFi still connected. Sometimes WiFi connection drops and may reconnect.>
A2: WiFi [ Set:Off ] If [ %Wificonn ~ Off ]

Exit: Anon
<this is for the exit task to totally switch off WiFi>
A1: WiFi [ Set:Off ] If [ %Wificonn ~ Off ]