buzzer
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Fridge Door Alarm Circuit using 555 and LDR
The name of the circuit itself infers the application. This circuit triggers the alarm if the door of Fridge is left open for… |
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School/College Quiz Buzzer Circuit using 555 Timer IC
Quiz is an important event in any school/College institution to test the knowledge of the participants. In order to increase… |
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Piezoelectric Transducer Circuit and Its Applications
Certain crystals like Barium titanate, Quartz, Lithium tantalite, etc. have the property of producing electricity on applying a… |
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Panic Alarm Button Circuit using 555 Timer IC
A Panic Alarm Circuit is used to send an emergency signal immediately to the people in nearby location to call for help or to… |
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Smart Knock Detecting Door Lock using Arduino
Security is a major concern in our day to day life, and digital locks have become an important part of these security systems.… |
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Playing Melodies using Arduino Tone() Function
Arduino is an excellent way to simplify and speed up your microcontroller projects, thanks to its community of developers… |
