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 gas and A, B values

Browse Source
This commit is contained in:
miguel5612 2020-03-26 12:30:16 -05:00
parent b4be0e4175
commit 3b578869ad
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
examples/MQ-2/MQ-2.ino
View File

@ -41,7 +41,16 @@ void setup() {
//Set math model to calculate the PPM concentration and the value of constants //Set math model to calculate the PPM concentration and the value of constants
MQ2.setRegressionMethod("Exponential"); //_PPM = a*ratio^b MQ2.setRegressionMethod("Exponential"); //_PPM = a*ratio^b
MQ2.setA(574.25); MQ2.setB(-2.222); // Configurate the ecuation values to get LPG concentration MQ2.setA(574.25); MQ2.setB(-2.222); // Configurate the ecuation values to get LPG concentration
/*
Exponential regression:
Gas | a | b
H2 | 987.99 | -2.162
LPG | 574.25 | -2.222
CO | 36974 | -3.109
Alcohol| 3616.1 | -2.675
Propane| 658.71 | -2.168
*/
// Calibration setup // Calibration setup
MQ2.setR0(9.659574468); MQ2.setR0(9.659574468);