MQ303A Class Reference

API for the MQ303A Alcohol Sensor. More...

Detailed Description

• ID: mq303a
• Name: MQ303A Alcohol Sensor
• Other Names: Grove Alcohol Sensor
• Category: gaseous
• Manufacturer: seeed
• Link: http://www.seeedstudio.com/wiki/Grove_-_Alcohol_Sensor
• Connection: analog gpio
• Kit: tsk

UPM module for the MQ303A alcohol sensor. This sensor needs to be warmed up before stable results are obtained. The higher the value returned from value(), the higher the amount of alcohol detected.

Public Member Functions
synchronized void	delete ()
	MQ303A (int pin, int heaterPin)
int	value ()
void	heaterEnable (boolean enable)

Constructor & Destructor Documentation

MQ303A	(	int	pin,
		int	heaterPin
	)

MQ303A constructor

Parameters

pin	Analog pin to use
heaterPin	Digital pin mapped to the analog pin to use

Member Function Documentation

void heaterEnable

(

boolean

enable

)

Enables the heater

Parameters

enable

Enables the heater if true; otherwise, disables it

int value

(

)

Gets the alcohol reading from the sensor. The value read from the analog pin is inverted. A higher returned value means a higher amount of alcohol detected.

Returns

Alcohol reading

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The documentation for this class was generated from the following file:

• /var/lib/jenkins/workspace/upm-doc-stable/build-33/src/mq303a/MQ303A.java