ESP32 Fingerprint based Biometric Door Lock & Home Automation

[@azam2821]

Nice Video.. easy to understand

[@vince_2128]

I just want to ask if there is a video that uses the MQ3 sensor to determine how much alcohol the target user has consumed.

[@ElectroniClinic]

Check playlist.

[@giantbrain5793]

how to make emergency scenario if blackout and internet connection not avalalaible for 3 hour for example. specially for door lock ,no internet mean you cannot open your door for 3 hour.any idea to solve this problem.thanks

[@ElectroniClinic]

U don't need internet for this

[@giantbrain5793]

is Safe esp32 using DC 12 volt? because according to datasheet only 3.3 volt - 6 Volt, best for esp32,thanks.

[@ElectroniClinic]

There is a 5v regulator.

[@giantbrain5793]

where wiring to doorlock,only wiring to lamp and finger,how to wiring to doorlock,thanks