92 lines
1.5 KiB
C++
92 lines
1.5 KiB
C++
// Sietse Jonker
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// 09/02/2024
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#include <Wire.h>
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#include "SSD1306Wire.h"
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#include "Adafruit_SGP30.h"
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#include "DHT.h"
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#define MICPIN 6
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#define DHTPIN 7
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#define SCL 9
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#define SDA 8
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#define DHTTYPE DHT11
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SSD1306Wire display(0x3c, SDA, SCL);
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DHT dht(DHTPIN, DHTTYPE);
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Adafruit_SGP30 sgp;
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uint16_t TVOC_base, eCO2_base;
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int counter = 0;
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float temperature = 0;
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float humidity = 0;
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int eCO2 = 0;
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int TVOC = 0;
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bool noise = false;
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void resetValues() {
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TVOC_base, eCO2_base;
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counter = 0;
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temperature = 0;
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humidity = 0;
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eCO2 = 0;
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TVOC = 0;
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noise = false;
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}
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void displayData(){
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display.setFont(ArialMT_Plain_16);
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display.setTextAlignment(TEXT_ALIGN_LEFT);
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display.drawString(0, 0, String(sgp.eCO2) + " ppm" + " " + String(sgp.TVOC) + " ppb");
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display.drawString(0, 18, String(temperature) + " C");
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display.drawString(0, 39, String(humidity) + "%");
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display.display();
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}
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void setup() {
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Serial.begin(115200);
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display.init();
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display.flipScreenVertically();
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dht.begin();
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sgp.begin();
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pinMode(MICPIN, INPUT);
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pinMode(DHTPIN, INPUT);
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resetValues();
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display.setFont(ArialMT_Plain_16);
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display.setTextAlignment(TEXT_ALIGN_LEFT);
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}
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void loop() {
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display.clear();
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if (!sgp.IAQmeasure()) {
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Serial.println("SGP30: BAD");
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return;
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}
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else {
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Serial.println("SGP30: OK");
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}
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temperature = float(dht.readTemperature());
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humidity = float(dht.readHumidity());
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displayData();
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sgp.getIAQBaseline(&eCO2_base, &TVOC_base);
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Serial.print("eCO2 ");
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Serial.print(sgp.eCO2);
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Serial.println(" ppm");
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delay(100);
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counter++;
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} |