COMBUSTIBLE_GAS_DETECTOR

Published:2009/6/17 4:15:00 Author:May | From:SeekIC

The circuit shown is useful for the detection of dangerous levels of combustible fumes or gases. It uses a comparator circuit to trigger an alarm buzzer. The sensor's resistant element is connected in series with resistor R1 to form a voltage-divider circuit; R1 is specifically matched to each gas sensor by the manufacturer.



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