LPG Gas Leakage Sensor Alarm Report

LPG Gas Leakage Sensor Alarm Report

LPG Gas Leakage Sensor Alarm Report

Abstract- The heart of this paper here is a LPG gas leakage sensor circuit that detects the outflow of LPG gas and the circuit is a gas sensor module SEN 1327. QM 6 gas sensor is used in the SEN 1327 module. The output signal from SEN 1327 gas sensor module is used to drive a 555 timer based astable multivibrator circuit.
Here 555 timer works as a tone generator, the frequency of tone can be altered by varying the preset VR1. The system alerts the user via audio and visual indications.

Abstract- The heart of this paper here is a LPG gas leakage sensor circuit that detects the outflow of LPG gas and the circuit is a gas sensor module SEN 1327. QM 6 gas sensor is used in the SEN 1327 module. The output signal from SEN 1327 gas sensor module is used to drive a 555 timer based astable multivibrator circuit. Here 555 timer works as a tone generator, the frequency of tone can be altered by varying the preset VR1. The system alerts the user via audio and visual indications.

This schematic diagram come from circuit: LPG Gas Leakage Sensor Alarm Project Report.
Go to that page to read the explanation about above circuit design.

In the electrical sector, a schematic diagram is usually used to describe the design or model of equipment. Schematic diagrams are usually utilized for the maintenance and repair of electronic and electromechanical devices / units. Original schematics were made by hand, using standardized templates or pre-printed adhesive symbols, but nowadays Electrical CAD computer software is often used.

In electronic design automation, until the 1980s schematics were virtually the only formal representation for circuits. More lately, using the progress of computer system technology, other representations were introduced and specialized computer languages were developed, because with the explosive development of the complexity of electronic circuits, classic schematics are getting less practical. As an example, hardware description languages are indispensable for contemporary digital circuit design.

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