LPG Gas Leakage Sensor Alarm

  
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This is the schematic diagram of LPG gas leakage sensor alarm. The circuit operates off a 9V PP3 battery. Zener diode ZD1 is applied to convert 9V into 5V DC to drive the gas sensor module. The SEN-1327 gas sensor module from RhydoLABZ is applied in this circuit. Its output goes higher when the gas. Flame, gas and smoke detector for fire alarm. Y
LPG Gas Leakage Sensor Alarm - schematic

ou can combine this circuit with alarm circuit. The output will be the relay which switch on and switch off the alarm. Schematic diagram: The list of components needed: Download include the explanation of the circuit: Download link This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be used to detect any dark smoke. With the onset of summer season, possibilities of fire accidents go up. These fire accidents could be prevented if timely alarms are available. The circuit given right here alerts. The following circuit is a simple fire alarm circuit based NE555 timer and use thermistor as a temperature detector. This sensor will activate the transistor when the temperature is in high value. The thermistor will have a low resistance at high temperature, while at low temperature, the transistor resistance is high. This characteristic of thermitor.



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