alexey.zholtikov/MQSensorsLib
1
0
Fork 0
mirror of https://github.com/miguel5612/MQSensorsLib.git synced 2025-03-15 05:17:30 +03:00
Code Issues Packages Projects Releases Wiki Activity

Added R0 values getted from Experiment 3

Browse Source
This commit is contained in:
miguel5612 2019-07-09 16:04:59 -05:00
parent 9a96a0d9e7
commit 048e2c33f0
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/MQUnifiedsensor.h
View File

@ -24,6 +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
@ -36,20 +37,21 @@
#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 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ3 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ4 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ5 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ6 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ7 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ2 9.659574468 //R0 after 48 hours pre-heating the sensor
#define R0_MQ3 3.86018237 //R0 after 48 hours pre-heating the sensor
#define R0_MQ4 47.775076 //R0 after 48 hours pre-heating the sensor
#define R0_MQ5 71.100304 //R0 after 48 hours pre-heating the sensor
#define R0_MQ6 13.4285714 //R0 after 48 hours pre-heating the sensor
#define R0_MQ7 4 //R0 after 48 hours pre-heating the sensor
#define R0_MQ8 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ9 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ131 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ135 1//R0 after 48 hours pre-heating the sensor
#define R0_MQ303 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ309 1 //R0 after 48 hours pre-heating the sensor
#define R0_MQ9 9.42857143 //R0 after 48 hours pre-heating the sensor
#define R0_MQ131 385.40 //R0 after 48 hours pre-heating the sensor Thanks ostaquet HIGH_CONCENTRATION
#define R0_MQ135 76.63 //R0 after 48 hours pre-heating the sensor Thanks Georgk https://github.com/GeorgK/MQ135/blob/master/MQ135.h
#define R0_MQ303 10 //R0 after 48 hours pre-heating the sensor
#define R0_MQ309 10 //R0 after 48 hours pre-heating the sensor
/***********************Software Related Macros************************************/