Electronic door lock home burglary incidents are on the rise.
Electronic door lock circuit.
To activate the relay the 4 buttons s1 s4 must be pressed at the same time.
Homes without proper security measures in place are particularly more vulnerable.
Designed for use in both residential and commercial settings electronic locks can take your security to the next level.
Best electronic door lock circuits at home 2020 03 13t19 35 06 00 00.
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But it is easy to avoid home break ins by using a simple solution electronics projects for you.
The circuit is built around dual j k flip flop 74ls73 ic3 and ic4 regulators 7812 and 7805 ic1 and ic2 respectively 555 timer ic6 and a few other components.
A micro servo motor is used as the electromechanical part the door striker while one cheap hall effect switch works as the keyhole sensor of the door lock.
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Electronic key this electronic circuit turns on a relay by pressing four keys in the correct order.
The opener has the following features currently programmed in software.
An electronic door lock offers increased security and peace of mind.
1 shows the circuit of the electronic door lock.
How does the door code lock circuit work.
4 3 out of 5 stars 287.
The circuit is very simple and can be assembled using readily available components.
Circuit and working fig.
It is not the door being opened closed but a small electromagnetic strike which unlocks the door.
This is the simplest electronic door lock that has a remarkable code implementation because it uses only one active component and at least 8 button switches.
For the brain of the circuit i deliberately chose an arduino microcontroller.
The circuit requires.