It is an automatic power off circuit diagram. If you need to shut-off any electronic device after a set amount of time then this circuit can do that automatically; when you are even sleeping! For example this auto power off circuit can be used with garden/porch light, soldering iron/ glue gun or similar other devices to auto shut it off for saving electricity or save the device, or you can use it to suit your own needs.
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| Auto Power Off Circuit Diagram |