hey cn anyone tel me what is the input of lpg gas sensor and What wil b the output? and also in which form?

 

It will depend on the sensor, the manufacturer will have a data sheet for it. An example; http://www.sparkfun.com/products/9405 (sensor)
http://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-6.pdf (data sheet)

 

m using mq2 lpg gas sensor

 

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