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555 Timer Based Simple Electronic Code Lock Circuit
In this simple circuit we are building 555 Timer IC based Code Lock. In this Lock, there will be 8 buttons and one needs to press specific four buttons simultaneously to unlock the Lock. The 555 IC is configured as a Monostable Vibrator here.
Simple Code Lock Circuit electroschematics
This simple code lock circuit described here is of an electronic combination lock for daily use. It responds only to the roght sequence of four digits that are keyed in remotely. If a wrong key is touched, it resets the lock. The lock code can be set by connectiong the line wires to the pads A, B, C and D in the figure.
Simple Electronic Code Lock | Circuits Projects
This simple code lock circuit described here is of an electronic combination lock for daily use. It responds only to the roght sequence of four digits that are keyed in remotely. If a wrong key is touched, it resets the lock. The lock code can be set by connectiong the line wires to the pads A, B, C and D in the figure.
One Transistor Electronic Code Lock System Circuit Diagram
One Transistor Electronic Code Lock System Circuit Principle: The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. If any button which is in parallel is pressed door is locked. When all these buttons are pressed transistor switches the relay and the door is opened.
Simple Key code lock switch circuit using IC 4017 ...
This is a key code lock switch circuit, type of electronic circuit. To replace a conventional normal key switch, without inserts keys. But you can press the number code instead of unlocking keys. We do not need to carry a load key, and do not worry about your keys are lost.
Simple Arduino based Electronic door lock
Old locks were mechanical based. They used to be locked and unlocked using a hard key (mechanically). They had the problem of rusting which usually make them hard to use. The world is moving towards electronic based items which are easy to use. This article will present a very simple electronic based door lock which works on simple push button.
Electronics Club Project Simple Electronic Lock
Simple Electronic Lock Project. Download a PDF version of this page: Simple Electronic Lock Project (PDF) There are six (or more) push switches. To 'unlock' you must press all the correct ones at the same time, but not press any of the cancel switches. Pressing just one cancel switch will prevent the circuit unlocking.
Simple bination Lock | Digital Integrated Circuits ...
Simple bination Lock Chapter 7 Digital Integrated Circuits. PARTS AND MATERIALS. ... The idea is, one switch acts to hold the correct code for unlocking the lock, while the other switch serves as a data entry point for the person trying to open the lock. ... How to build simple gate functions with diodes and a pull up down resistor;
How to Build an Electronic bination Lock
Described in this article is a simple yet a versatile circuit of a code lock or an electronic combination lock, which can be used at the entry points of restricted areas and a total access control over such places can be ensured.
Digital Code Lock Project using 8051 Microcontroller
In this project, we have explained a simple Electronic code lock using 8051 Microcontorller, which can only be unlocked by a predefined code, if we enter the wrong code, the system alerts by siren the buzzer. We have already created a Digital lock using Arduino. Working Explanation:

simple electronic code lock Gallery


best 25 simple electronic circuits ideas on pinterest

best 25 simple electronic circuits ideas on pinterest

multiple outlet wiring diagram 120v

multiple outlet wiring diagram 120v

union e1200 code handle

union e1200 code handle

buy electronic cabinet lock

buy electronic cabinet lock

smart home security system black icons set vector

smart home security system black icons set vector

4013 circuits

4013 circuits

u0026gt circuits u0026gt thermocouple l53660

u0026gt circuits u0026gt thermocouple l53660

spdif monitor

spdif monitor

radan electronic

radan electronic

62 best 555 timer circuits images on pinterest

62 best 555 timer circuits images on pinterest

simplex 74935

simplex 74935

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