projects/co2-detector
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This commit is contained in:
GrafZeppelin 2021-04-05 17:25:15 +02:00
parent fac08df3d1
commit 703f5e6d1a
2 changed files with 3 additions and 4 deletions
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2
lib/MQ135/MQ135.h
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@ -36,7 +36,7 @@ class MQ135 {
/// Get R0 in custom conditions for calibration purposes. /// Get R0 in custom conditions for calibration purposes.
/// Can be used, if you know the current CO2 Level. /// Can be used, if you know the current CO2 Level.
double getR0ByCO2Level(float ppm); double getR0ByCO2Level(float ppm);
/// Set R0 Value foir calibration. /// Set R0 Value for calibration.
void setR0(float r0); void setR0(float r0);
/// Gets the resolved sensor voltage /// Gets the resolved sensor voltage

5
src/main.cpp
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@ -1,5 +1,5 @@
#include <Arduino.h> #include <Arduino.h>
#include "MQ135.h" #include <MQ135.h>
#define PIN_MQ135 A0 #define PIN_MQ135 A0
#define PIN_LED_GREEN DD2 #define PIN_LED_GREEN DD2
@ -14,8 +14,7 @@ MQ135 co2_sensor(PIN_MQ135);
void setup() { void setup() {
Serial.begin(9600); Serial.begin(9600);
pinMode(PIN_MQ135, INPUT); // co2_sensor.setR0(1000.);
co2_sensor.setR0(1000.);
} }
void printValues(float ppm, float temp, float humidity); void printValues(float ppm, float temp, float humidity);