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Uncomment coments because constants are needed

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miguel5612 2019-07-22 20:40:52 -05:00
parent 6a549c0ac5
commit 02653e47db
2 changed files with 2 additions and 2 deletions
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src/MQUnifiedsensor.h
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@ -24,7 +24,7 @@
/*****************************Globals***********************************************/
//From the graph, we can see that the resistance ratio in fresh air is a constant:
/*
#define RatioMQ2CleanAir 9.83 //RS / R0 = 9.83 ppm
#define RatioMQ3CleanAir 60 //RS / R0 = 60 ppm
#define RatioMQ4CleanAir 4.4 //RS / R0 = 4.4 ppm
@ -37,7 +37,7 @@
#define RatioMQ135CleanAir 3.6//RS / R0 = 3.6 ppm
#define RatioMQ303CleanAir 1 //RS / R0 = 1 ppm
#define RatioMQ309CleanAir 11 //RS / R0 = 11 ppm
*/
//From the calibration program we can obtain the R0 value for each sensor
#define R0_MQ2 9.659574468 //R0 after 48 hours pre-heating the sensor