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calibration

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This commit is contained in:
GrafZ3pp3lin 2021-07-02 22:16:40 +02:00
parent dadca72145
commit a189f430ec
1 changed files with 14 additions and 78 deletions
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92
src/main.cpp
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@ -11,95 +11,31 @@
#define PIN_LED_RED 7
#define PIN_LED_RED2 8
void printValues();
const int maxCount = 10;
int count = 0;
bool noise = false;
bool noiseActive = false;
float ppm;
MQ135 co2_sensor(PIN_MQ135);
Adafruit_BME280 bme;
void setup() {
pinMode(PIN_LED_GREEN, OUTPUT);
pinMode(PIN_LED_GREEN2, OUTPUT);
pinMode(PIN_LED_YELLOW, OUTPUT);
pinMode(PIN_LED_YELLOW2, OUTPUT);
pinMode(PIN_LED_RED, OUTPUT);
pinMode(PIN_LED_RED2, OUTPUT);
pinMode(PIN_NOISE, OUTPUT);
Serial.begin(9600);
co2_sensor.setR0(300);
if (!bme.begin(0x76)) {
Serial.println(F("Could not find a valid BME280 sensor, check wiring!"));
}
// if (!bme.begin(0x76)) {
// Serial.println(F("Could not find a valid BME280 sensor, check wiring!"));
// }
}
void loop() {
if (count >= maxCount || count < 0) {
float temp = bme.readTemperature();
float humidity = bme.readHumidity();
ppm = co2_sensor.getCorrectedCO2(temp, humidity);
count = 0;
noiseActive = false;
digitalWrite(PIN_LED_GREEN, 0);
digitalWrite(PIN_LED_GREEN2, 0);
digitalWrite(PIN_LED_YELLOW, 0);
digitalWrite(PIN_LED_YELLOW2, 0);
digitalWrite(PIN_LED_RED, 0);
digitalWrite(PIN_LED_RED2, 0);
// float temp = bme.readTemperature();
// float humidity = bme.readHumidity();
if (ppm < 1000) {
digitalWrite(PIN_LED_GREEN, 1);
if (ppm > 750) {
digitalWrite(PIN_LED_GREEN2, 1);
}
}
if (ppm > 1000 && ppm <= 2000) {
digitalWrite(PIN_LED_YELLOW, 1);
if (ppm > 1500) {
digitalWrite(PIN_LED_YELLOW2, 1);
}
}
if (ppm > 2000) {
digitalWrite(PIN_LED_RED, 1);
if (ppm > 2500) {
noiseActive = true;
digitalWrite(PIN_LED_RED2, 1);
}
}
// float r0 = co2_sensor.getCorrectedR0(temp, humidity);
float r0 = co2_sensor.getR0();
printValues();
}
// Serial.print("Temperature: ");
// Serial.println(temp);
// Serial.print("Humidity: ");
// Serial.println(humidity);
Serial.print("R0: ");
Serial.println(r0);
if (noiseActive) {
noise = !noise;
// digitalWrite(PIN_NOISE, noise);
}
else {
// digitalWrite(PIN_NOISE, 0);
}
delay(100);
count++;
}
void printValues() {
float temp = bme.readTemperature();
float humidity = bme.readHumidity();
float ppm = co2_sensor.getCO2();
float cppm = co2_sensor.getCorrectedCO2(temp, humidity);
Serial.print("ppm: ");
Serial.println(ppm);
Serial.print("Temperature: ");
Serial.println(temp);
Serial.print("Humidity: ");
Serial.println(humidity);
Serial.print("corrected ppm: ");
Serial.println(cppm);
delay(1000);
}