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htu21 sensor

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This commit is contained in:
GrafZ3pp3lin 2021-07-21 21:38:37 +02:00
parent 5a16fccbad
commit ed2778fa65
2 changed files with 24 additions and 13 deletions
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3
platformio.ini
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@ -15,4 +15,5 @@ platform = atmelavr
board = uno
framework = arduino
lib_deps =
adafruit/Adafruit BME280 Library @ ^2.1.2
; adafruit/Adafruit BME280 Library @ ^2.1.2
sparkfun/SparkFun HTU21D Humidity and Temperature Sensor Breakout @ ^1.1.3

34
src/main.cpp
View file

@ -1,6 +1,6 @@
#include <Arduino.h>
#include <MQ135.h>
#include <Adafruit_BME280.h>
#include <SparkFunHTU21D.h>
#define PIN_MQ135 A0
#define PIN_NOISE 2
@ -12,26 +12,29 @@
#define PIN_LED_RED2 8
MQ135 co2_sensor(PIN_MQ135);
Adafruit_BME280 bme;
HTU21D envSensor;
void setup() {
Serial.begin(9600);
// if (!bme.begin(0x76)) {
// Serial.println(F("Could not find a valid BME280 sensor, check wiring!"));
// }
co2_sensor.setR0(200);
envSensor.begin();
}
void loop() {
// float temp = bme.readTemperature();
// float humidity = bme.readHumidity();
float temp = envSensor.readTemperature();
float humidity = envSensor.readHumidity();
// float r0 = co2_sensor.getCorrectedR0(temp, humidity);
float r0c = co2_sensor.getCorrectedR0(temp, humidity);
float in = analogRead(PIN_MQ135);
double v = co2_sensor.getVoltage();
double r = co2_sensor.getResistance();
float r0 = co2_sensor.getR0();
double co2 = co2_sensor.getCO2();
double co2c = co2_sensor.getCorrectedCO2(temp, humidity);
Serial.print("Analog Read: ");
Serial.println(in);
Serial.print("Voltage: ");
@ -39,12 +42,19 @@ void loop() {
Serial.print("Resistance: ");
Serial.println(r);
// Serial.print("Temperature: ");
// Serial.println(temp);
// Serial.print("Humidity: ");
// Serial.println(humidity);
Serial.print("R0: ");
Serial.println(r0);
Serial.print("Temperature: ");
Serial.println(temp);
Serial.print("Humidity: ");
Serial.println(humidity);
Serial.print("R0 Corrected: ");
Serial.println(r0c);
Serial.print("CO2: ");
Serial.println(co2);
Serial.print("CO2 Corrected: ");
Serial.println(co2c);
Serial.println("-----------------------------");