FIRE ALARM CIRCUIT

Authors

  • DR.ALTAF C1 1Assistant Professor Department of ECE, Lords Institute of Engineering and Technology Hyderabad, India Author
  • SHAHRUKH KHAN2 2,3,4,5Department of ECE, Lords Institute of Engineering and Technology Hyderabad, India Author
  • MD.UZAIR JAFFER3 Department of ECE, Lords Institute of Engineering and Technology Hyderabad, India Author
  • MD.WAJID4 Department of ECE, Lords Institute of Engineering and Technology Hyderabad, India Author

Abstract

This circuit may be used as an alarm that sounds anytime the temperature rises over a certain
threshold. The project employs a 5 volt power source and is based around an AT89S52 microprocessor.
When a fire is detected, it immediately turns on the buzzer and motor. Both fire detection and fire control are
possible with it. For this project, a controlled 500mA, 5V power source is used. Voltage control is
accomplished using the 7805 three terminal voltage regulator. The secondary output of the 230/12V step
down transformer's ac output is rectified using a bridge type full wave rectifier.

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Published

2023-01-29

Issue

Section

Articles

How to Cite

FIRE ALARM CIRCUIT. (2023). International Journal of Multidisciplinary Engineering In Current Research, 8(1), 9-14. https://ijmec.com/index.php/multidisciplinary/article/view/232