Automatic Toilet Light & Exhaust Fan || PIR Motion Sensor

If many times people in your house forget to switch off toilet light and exhaust fan then you should use this circuits to save electrical energy. Passive Infrared sensor can help to switch on & off automatically .
|| PIR relay ||
|| Auto light control ||
|| Motion sensing relay ||
|| Motion detector ||
|| HC-SR ||

[@vu2rjw]

when we sit in the toilet motionless it is switching OFF . If we increase time delay energy loss .what is the solution for this?

[@ushasridhar2575]

where can I get this?