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https://github.com/miguel5612/MQSensorsLib.git
synced 2025-07-03 19:01:03 +03:00
Replaced equation y = mx+b to potential equation y=a*x^b
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miguel5612
@ -61,191 +61,191 @@
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/**********************Application Related Macros**********************************/
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/* Gas, Value of m (Slope) and b (Cut on x axis) points */
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//Values consolidated
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//Values consolidated
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//Equation PPM = a*((x)^b)
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/********************** MQ2 ******************************************************/
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#define MQ2_H2_m -2.2459
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#define MQ2_H2_a -2.2459
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#define MQ2_H2_b 2.9845
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#define MQ2_LPG_m -2.2879
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#define MQ2_LPG_a -2.2879
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#define MQ2_LPG_b 2.7901
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#define MQ2_CO_m -2.6208
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#define MQ2_CO_a -2.6208
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#define MQ2_CO_b 3.6075
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#define MQ2_Alcohol_m -3.1157
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#define MQ2_Alcohol_a -3.1157
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#define MQ2_Alcohol_b 4.5134
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#define MQ2_Propane_m -2.7028
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#define MQ2_Propane_a -2.7028
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#define MQ2_Propane_b 3.5595
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#define MQ2_Benzene_m -2.2879
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#define MQ2_Benzene_a -2.2879
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#define MQ2_Benzene_b 2.7901
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/********************** MQ3 ******************************************************/
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#define MQ3_LPG_m -3.1851
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#define MQ3_LPG_a -3.1851
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#define MQ3_LPG_b 4.7048
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#define MQ3_CH4_m -17.531
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#define MQ3_CH4_a -17.531
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#define MQ3_CH4_b 28.785
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#define MQ3_CO_m -4.339
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#define MQ3_CO_a -4.339
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#define MQ3_CO_b 6.4432
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#define MQ3_Alcohol_m -1.435
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#define MQ3_Alcohol_a -1.435
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#define MQ3_Alcohol_b 0.4103
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#define MQ3_Benzene_m -2.7009
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#define MQ3_Benzene_a -2.7009
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#define MQ3_Benzene_b 0.632
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#define MQ3_Hexane_m -2.7268
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#define MQ3_Hexane_a -2.7268
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#define MQ3_Hexane_b 3.6299
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/********************** MQ4 ******************************************************/
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#define MQ4_LPG_m -2.5818
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#define MQ4_LPG_a -2.5818
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#define MQ4_LPG_b 3.6303
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#define MQ4_CH4_m 0.9873
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#define MQ4_CH4_a 0.9873
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#define MQ4_CH4_b 2.6386
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#define MQ4_CO_m -5.5945
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#define MQ4_CO_a -5.5945
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#define MQ4_CO_b 5.6693
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#define MQ4_Alcohol_m -11.89
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#define MQ4_Alcohol_a -11.89
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#define MQ4_Alcohol_b 9.0375
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#define MQ4_smoke_m -11.189
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#define MQ4_smoke_a -11.189
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#define MQ4_smoke_b 9.0375
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/********************** MQ5 ******************************************************/
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#define MQ5_H2_m -4.368
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#define MQ5_H2_a -4.368
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#define MQ5_H2_b 2.9667
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#define MQ5_LPG_m -2.5723
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#define MQ5_LPG_a -2.5723
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#define MQ5_LPG_b 1.8943
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#define MQ5_CH4_m -2.4438
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#define MQ5_CH4_a -2.4438
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#define MQ5_CH4_b 2.3044
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#define MQ5_CO_m -4.8188
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#define MQ5_CO_a -4.8188
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#define MQ5_CO_b 5.2023
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#define MQ5_Alcohol_m -4.419
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#define MQ5_Alcohol_a -4.419
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#define MQ5_Alcohol_b 4.8044
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/********************** MQ6 ******************************************************/
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#define MQ6_H2_m -3.6775
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#define MQ6_H2_a -3.6775
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#define MQ6_H2_b 5.0286
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#define MQ6_LPG_m -1.6567
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#define MQ6_LPG_a -1.6567
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#define MQ6_LPG_b 2.8775
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#define MQ6_CH4_m -1
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#define MQ6_CH4_a -1
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#define MQ6_CH4_b 3.301
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#define MQ6_CO_m -12.791
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#define MQ6_CO_a -12.791
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#define MQ6_CO_b 14.523
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#define MQ6_Alcohol_m -5.8057
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#define MQ6_Alcohol_a -5.8057
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#define MQ6_Alcohol_b 7.5292
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/********************** MQ7 ******************************************************/
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#define MQ7_H2_m -1.329
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#define MQ7_H2_a -1.329
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#define MQ7_H2_b 1.8864
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#define MQ7_LPG_m -7.8626
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#define MQ7_LPG_a -7.8626
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#define MQ7_LPG_b 9.1056
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#define MQ7_CH4_m -5.4878
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#define MQ7_CH4_a -5.4878
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#define MQ7_CH4_b 8.8387
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#define MQ7_CO_m -1.4065
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#define MQ7_CO_a -1.4065
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#define MQ7_CO_b 2.0162
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#define MQ7_Alcohol_m -6.3219
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#define MQ7_Alcohol_a -6.3219
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#define MQ7_Alcohol_b 9.924
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/********************** MQ8 ******************************************************/
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#define MQ8_H2_m -0.7152
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#define MQ8_H2_a -0.7152
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#define MQ8_H2_b 2.9891
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#define MQ8_LPG_m -3.419
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#define MQ8_LPG_a -3.419
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#define MQ8_LPG_b 7.3513
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#define MQ8_CH4_m -7.5609
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#define MQ8_CH4_a -7.5609
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#define MQ8_CH4_b 15.243
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#define MQ8_CO_m -7.0753
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#define MQ8_CO_a -7.0753
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#define MQ8_CO_b 15.396
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#define MQ8_Alcohol_m -1.7459
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#define MQ8_Alcohol_a -1.7459
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#define MQ8_Alcohol_b 4.7575
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/********************** MQ9 ******************************************************/
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#define MQ9_LPG_m -2.2535
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#define MQ9_LPG_a -2.2535
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#define MQ9_LPG_b 2.9855
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#define MQ9_CH4_m -1.6012
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#define MQ9_CH4_a -1.6012
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#define MQ9_CH4_b 3.1476
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#define MQ9_CO_m -1.749
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#define MQ9_CO_a -1.749
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#define MQ9_CO_b 2.827
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/********************** MQ131 ******************************************************/
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#define MQ131_NOx_m -2.7245
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#define MQ131_NOx_a -2.7245
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#define MQ131_NOx_b 3.3004
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#define MQ131_CL2_m -1.0333
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#define MQ131_CL2_a -1.0333
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#define MQ131_CL2_b 1.7117
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#define MQ131_O3_m -1.2037
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#define MQ131_O3_a -1.2037
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#define MQ131_O3_b 1.6455
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/********************** MQ135 ******************************************************/
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#define MQ135_CO_m -2.7268
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#define MQ135_CO_a -2.7268
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#define MQ135_CO_b 2.301
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#define MQ135_Alcohol_m -2.8608
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#define MQ135_Alcohol_a -2.8608
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#define MQ135_Alcohol_b 1.8627
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#define MQ135_CO2_m -3.2819
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#define MQ135_CO2_a -3.2819
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#define MQ135_CO2_b 1.9903
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#define MQ135_Tolueno_m -5.7015
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#define MQ135_Tolueno_a -5.7015
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#define MQ135_Tolueno_b 1.1612
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#define MQ135_NH4_m -2.2119
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#define MQ135_NH4_a -2.2119
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#define MQ135_NH4_b 2.0473
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#define MQ135_Acetona_m -5.9682
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#define MQ135_Acetona_a -5.9682
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#define MQ135_Acetona_b 1.0175
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/********************** MQ303 ******************************************************/
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#define MQ303_Iso_butano_m -2.3543
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#define MQ303_Iso_butano_a -2.3543
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#define MQ303_Iso_butano_b 1.144
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#define MQ303_Hydrogeno_m -2.4338
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#define MQ303_Hydrogeno_a -2.4338
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#define MQ303_Hydrogeno_b 0.7558
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#define MQ303_Ethanol_m -2.5597
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#define MQ303_Ethanol_a -2.5597
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#define MQ303_Ethanol_b 0.4436
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/********************** MQ309 ******************************************************/
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#define MQ309_H2_m -2.1311
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#define MQ309_H2_a -2.1311
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#define MQ309_H2_b 3.0886
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#define MQ309_CH4_m -1.6554
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#define MQ309_CH4_a -1.6554
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#define MQ309_CH4_b 2.985
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#define MQ309_CO_m -4.7623
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#define MQ309_CO_a -4.7623
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#define MQ309_CO_b 6.7413
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#define MQ309_Alcohol_m -3.7686
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#define MQ309_Alcohol_a -3.7686
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#define MQ309_Alcohol_b 5.6744
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/*
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@ -293,7 +293,7 @@ class MQUnifiedsensor
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int _VOLT_RESOLUTION = 5.0; // if 3.3v use 3.3
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int _RLValue = 10; //Value in KiloOhms
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float _PPM, _RS_Calc;
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float _ratioInCleanAir, _sensor_volt, RS_air, _m, _b, _ratio;
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float _ratioInCleanAir, _sensor_volt, RS_air, _a, _b, _ratio;
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};
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