Programmable Code Lock Circuit


Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit
Programmable Code Lock Circuit

Programmable Code Lock Circuit

construction of a programmable electronic digital code lock system provides a sure way of ensuring this security and safety for data. Programmable digital code lock system is a high security code lock system that can be used to lock electronic devices such as Television set, computer system and other electrical appliances [5].

Circuit description (Check the circuit diagram tab for complete circuit for one time programmable Password Lock) · The 4×3 keypad is connected to PORT3. 4 rows are connected to P3.4 – P3.7 and 3 columns are connected to P3.0 – P3.2. the keypress event is detected using row-column scanning

A programmable code lock can be used for numerous applications in which access to an article/gadget is to be restricted to a limited number of persons. Here is yet another circuit of a code lock employing mainly the CMOS ICs and thumb wheel switches (TWS) besides a few other components.

This circuit is under:, security, lock circuits, Programmable Code Lock circuit l7875 A programmable code lock can be used for numerous applications in which access to an article/gadget is to be restricted to a limited number of persons. Here is yet another circuit of a code lock

Digital Code Lock Programmable Circuit. Digital Code Lock Programmable Circuit. A programmable cipher lock can be acclimated for abundant applications in which admission to an article/gadget is to be belted to a bound cardinal of persons. Actuality is yet addition ambit of a cipher lock employing mainly the CMOS ICs and thumbwheel switches (TWS ...

This article is to explain the principles of programmable digital code lock. The combination of text read schematics would be more effective to grasp this principle. The circuit uses two types of dial switches. By TWS8 change numbers TWS1 d

This article describes a programmable code lock. The code lock using CMOS integrated circuits and dial the main switch (TWS). It can run in the range between 6 and 15 volt environment and is very durable. CMOS IC supply current is low, the battery can operate. Circuit uses two types of dial switches.

A programmable electronic provides security among multiple users, allows independent use by multiple users of different types, and is modularly adaptable to various applications. Security is provided by the automatic updating of a lock code if an inserted card's key code bears a predetermined relation to the stored lock code. The present invention allows multiple types of users to access a ...

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Programmable Digital Code Lock Click here for the circuit diagram. A programmable code lock can be used for numerous applications in which access to an article/gadget is to be restricted to a limited number of persons. Here is yet another circuit of a code lock employing mainly the CMOS ICs and thumbwheel switches (TWS) besides a few other components.