upm
1.7.1
Sensor/Actuator repository for libmraa (v2.0.0)
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API for the MQ9 Gas Sensor. More...
The Grove MQ9 Gas Sensor module is useful for gas leakage detection (in home and industry). It can detect carbon monoxide, coal gas, and liquefied gas. Its sensitivity is 10-1,000 ppm CO, and 100-10,000 ppm Gas.
Public Member Functions | |
MQ9 (int gasPin) | |
~MQ9 () | |
std::string | name () |
Public Member Functions inherited from Gas | |
Gas (int gasPin) | |
virtual | ~Gas () |
virtual int | getSampledWindow (unsigned int freqMS, int numberOfSamples, uint16_t *buffer) |
virtual int | findThreshold (thresholdContext *ctx, unsigned int threshold, uint16_t *buffer, int len) |
virtual int | getSampledData (thresholdContext *ctx) |
virtual int | getSample () |
virtual void | printGraph (thresholdContext *ctx, uint8_t resolution) |
Additional Inherited Members | |
Protected Attributes inherited from Gas | |
mraa::Aio | m_aio |
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inline |
Returns the name of the sensor