How to make Power Delay Circuit Using NE 555 timer for Safety of Home Appliances?

Timer Delay Circuit monostable using IC 555 | Explained !!!

Time Delay Relay circuit using 555 timer

Trigger, Then Short Delay, Then Brief Pulse V+(555)

555 timer Delay Before Turn Off Circuit

555 Adjustable Delay On Off Timer Circuit

555 timer schmitt trigger logic inverter circuit

Why 555 timer trigger and threshold pins are commonly connected together

On after delay circuit