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Digital Code lock
Автор: Zakir Hussain
Загружено: 2020-05-28
Просмотров: 320
Описание:
The digital code lock system using 7474 flip flop is a password-based system. This is a simple but effective code lock circuit that has an automatic reset facility. This project can be used as a security checking system to stop access to unauthorized persons.
Components Used:
IC 7474
5V DC Power supply
Push switches (x12)
Resistors (1K Ω,12 KΩ,10K Ω)
Capacitor(1uF )
Sl100 Transistor
DPDP Relay(DC 5V)
Buzzer
PCB board, connecting wires.
Connection are made in accordance with the circuit diagram shown in video.
Working and model demo is shown in video.
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