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Various simple electronics projects circuits diagrams for hobbyist and beginners . Simple circuits, mini projects with diagrams and description from many electronics categories.
A very simple electronic lock that uses a single button to enter the code can be designed using electronic scheme in the figure below.
A piezo warning buzzer electronic project can that be used for various applications requiring warning system can be built using electronic scheme in the figure below.
This simple electronic lock circuit diagram uses few electronic components and LS7220 integrated circuit.
Circuite electronice Electronic Circuits Design of Electronics Projects
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