Hello dear BSTRobin this is my used code that my sensors after sensing dirty air shows me reverse values unfortunately
#include <HTTP_Method.h>
#include <Uri.h>
#include <WebServer.h>
#include <WiFi.h>
#include <WiFiAP.h>
#include <WiFiClient.h>
#include <WiFiGeneric.h>
#include <WiFiMulti.h>
#include <WiFiScan.h>
#include <WiFiServer.h>
#include <WiFiSTA.h>
#include <WiFiType.h>
#include <WiFiUdp.h>
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include "bsec.h"
#define SEALEVELPRESSURE_HPA (1013.25)
Bsec iaqSensor;
String output;
void checkIaqSensorStatus(void);
void errLeds(void);
float temperature;
float humidity;
float pressure;
float IAQ;
float carbon;
float VOC;
const char* IAQsts;
Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire);
// Replace with your network credentials
const char* ssid = "***"; // Enter SSID here
const char* password = "***"; //Enter Password here
WebServer server(80);
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
delay(100);
Wire.begin();
Serial.println(F("Starting..."));
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
Serial.println(F("SSD1306 allocation failed"));
for(;;);
}
Serial.println("OLED begun");
display.display();
delay(100);
display.clearDisplay();
display.display();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setRotation(0);
Serial.println("Connecting to ");
Serial.println(ssid);
//Connect to your local wi-fi network
WiFi.begin(ssid, password);
//check wi-fi is connected to wi-fi network
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected..!");
Serial.print("Got IP: "); Serial.println(WiFi.localIP());
server.on("/", handle_OnConnect);
server.onNotFound(handle_NotFound);
server.begin();
Serial.println("HTTP server started");
iaqSensor.begin(BME680_I2C_ADDR_SECONDARY, Wire);
output = "\nBSEC library version " + String(iaqSensor.version.major) + "." + String(iaqSensor.version.minor) + "." + String(iaqSensor.version.major_bugfix) + "." + String(iaqSensor.version.minor_bugfix);
Serial.println(output);
checkIaqSensorStatus();
bsec_virtual_sensor_t sensorList[10] = {
BSEC_OUTPUT_RAW_TEMPERATURE,
BSEC_OUTPUT_RAW_PRESSURE,
BSEC_OUTPUT_RAW_HUMIDITY,
BSEC_OUTPUT_RAW_GAS,
BSEC_OUTPUT_IAQ,
BSEC_OUTPUT_STATIC_IAQ,
BSEC_OUTPUT_CO2_EQUIVALENT,
BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
};
iaqSensor.updateSubscription(sensorList, 10, BSEC_SAMPLE_RATE_LP);
checkIaqSensorStatus();
}
void loop() {
// put your main code here, to run repeatedly
server.handleClient();
display.setCursor(0,0);
display.clearDisplay();
unsigned long time_trigger = millis();
if (iaqSensor.run()) { // If new data is available
output = String(time_trigger);
output += ", " + String(iaqSensor.rawTemperature);
output += ", " + String(iaqSensor.pressure);
output += ", " + String(iaqSensor.rawHumidity);
output += ", " + String(iaqSensor.gasResistance);
output += ", " + String(iaqSensor.iaq);
output += ", " + String(iaqSensor.iaqAccuracy);
output += ", " + String(iaqSensor.temperature);
output += ", " + String(iaqSensor.humidity);
output += ", " + String(iaqSensor.staticIaq);
output += ", " + String(iaqSensor.co2Equivalent);
output += ", " + String(iaqSensor.breathVocEquivalent);
Serial.println(output);
} else {
checkIaqSensorStatus();
}
Serial.print("Temperature = ");
Serial.print(iaqSensor.temperature);
Serial.println(" *C");
display.print("Temperature: ");
display.print(iaqSensor.temperature);
display.println(" *C");
Serial.print("Pressure = ");
Serial.print(iaqSensor.pressure / 100.0);
Serial.println(" hPa");
display.print("Pressure: ");
display.print(iaqSensor.pressure / 100);
display.println(" hPa");
Serial.print("Humidity = ");
Serial.print(iaqSensor.humidity);
Serial.println(" %");
display.print("Humidity: ");
display.print(iaqSensor.humidity);
display.println(" %");
Serial.print("IAQ = ");
Serial.print(iaqSensor.staticIaq);
Serial.println(" PPM");
display.print("IAQ: ");
display.print(iaqSensor.staticIaq);
display.println(" PPM");
Serial.print("CO2 equiv = ");
Serial.print(iaqSensor.co2Equivalent);
Serial.println(" PPM");
display.print("CO2eq: ");
display.print(iaqSensor.co2Equivalent);
display.println(" PPM");
Serial.print("Breath VOC = ");
Serial.print(iaqSensor.breathVocEquivalent);
Serial.println(" PPM");
display.print("VOC: ");
display.print(iaqSensor.breathVocEquivalent);
display.println(" PPM");
if ((iaqSensor.staticIaq > 0) && (iaqSensor.staticIaq <= 50)) {
IAQsts = "Good";
Serial.print("IAQ: Good");
display.print("IAQ: Good");
}
if ((iaqSensor.staticIaq > 51) && (iaqSensor.staticIaq <= 100)) {
IAQsts = "Average";
Serial.print("IAQ: Average");
display.print("IAQ: Average");
}
if ((iaqSensor.staticIaq > 101) && (iaqSensor.staticIaq <= 150)) {
IAQsts = "Little Bad";
Serial.print("IAQ: Little Bad");
display.print("IAQ: Little Bad");
}
if ((iaqSensor.staticIaq > 151) && (iaqSensor.staticIaq <= 200)) {
IAQsts = "Bad";
Serial.print("IAQ: Bad");
display.print("IAQ: Bad");
}
if ((iaqSensor.staticIaq > 201) && (iaqSensor.staticIaq <= 300)) {
IAQsts = "Worse";
Serial.print("IAQ: Worse");
display.print("IAQ: Worse");
}
if ((iaqSensor.staticIaq > 301) && (iaqSensor.staticIaq <= 500)) {
IAQsts = "Very Bad";
Serial.print("IAQ: Very Bad");
display.print("IAQ: Very Bad");
}
if ((iaqSensor.staticIaq > 500)){
IAQsts = "Very Very Bad";
Serial.print("IAQ: Very Very Bad");
display.print("IAQ: Very Very Bad");
}
Serial.println();
display.display();
delay(2000);
}
// Helper function definitions
void checkIaqSensorStatus(void)
{
if (iaqSensor.status != BSEC_OK) {
if (iaqSensor.status < BSEC_OK) {
output = "BSEC error code : " + String(iaqSensor.status);
Serial.println(output);
for (;;)
errLeds(); /* Halt in case of failure */
} else {
output = "BSEC warning code : " + String(iaqSensor.status);
Serial.println(output);
}
}
if (iaqSensor.bme680Status != BME680_OK) {
if (iaqSensor.bme680Status < BME680_OK) {
output = "BME680 error code : " + String(iaqSensor.bme680Status);
Serial.println(output);
for (;;)
errLeds(); /* Halt in case of failure */
} else {
output = "BME680 warning code : " + String(iaqSensor.bme680Status);
Serial.println(output);
}
}
}
void handle_OnConnect() {
temperature = iaqSensor.temperature;
humidity = iaqSensor.humidity;
pressure = iaqSensor.pressure / 100.0;
IAQ = iaqSensor.staticIaq;
carbon = iaqSensor.co2Equivalent;
VOC = iaqSensor.breathVocEquivalent;
server.send(200, "text/html", SendHTML(temperature, humidity, pressure, IAQ, carbon, VOC, IAQsts));
}
void handle_NotFound() {
server.send(404, "text/plain", "Not found");
}
String SendHTML(float temperature, float humidity, float pressure, float IAQ, float carbon, float VOC, const char* IAQsts) {
String html = "<!DOCTYPE html>";
html += "<html>";
html += "<head>";
html += "<title>BME680 Webserver</title>";
html += "<meta name='viewport' content='width=device-width, initial-scale=1.0'>";
html += "<link rel='stylesheet' href='
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.2/css/all.min.css'>";
html += "<link rel='stylesheet' type='text/css' href='styles.css'>";
html += "<style>";
html += "body { background-color: #fff; font-family: sans-serif; color: #333333; font: 12px Helvetica, sans-serif box-sizing: border-box;}";
html += "#page { margin: 18px; background-color: #fff;}";
html += ".container { height: inherit; padding-bottom: 18px;}";
html += ".header { padding: 18px;}";
html += ".header h1 { padding-bottom: 0.3em; color: #f4a201; font-size: 25px; font-weight: bold; font-family: Garmond, 'sans-serif'; text-align: center;}";
html += "h2 { padding-bottom: 0.2em; border-bottom: 1px solid #eee; margin: 2px; text-align: center;}";
html += ".box-full { padding: 18px; border 1px solid #ddd; border-radius: 1em 1em 1em 1em; box-shadow: 1px 7px 7px 1px rgba(0,0,0,0.4); background: #fff; margin: 18px; width: 300px;}";
html += "@media (max-width: 494px) { #page { width: inherit; margin: 5px auto; } #content { padding: 1px;} .box-full { margin: 8px 8px 12px 8px; padding: 10px; width: inherit;; float: none; } }";
html += "@media (min-width: 494px) and (max-width: 980px) { #page { width: 465px; margin 0 auto; } .box-full { width: 380px; } }";
html += "@media (min-width: 980px) { #page { width: 930px; margin: auto; } }";
html += ".sensor { margin: 10px 0px; font-size: 2.5rem;}";
html += ".sensor-labels { font-size: 1rem; vertical-align: middle; padding-bottom: 15px;}";
html += ".units { font-size: 1.2rem;}";
html += "hr { height: 1px; color: #eee; background-color: #eee; border: none;}";
html += "</style>";
//Ajax Code Start
html += "<script>\n";
html += "setInterval(loadDoc,1000);\n";
html += "function loadDoc() {\n";
html += "var xhttp = new XMLHttpRequest();\n";
html += "xhttp.onreadystatechange = function() {\n";
html += "if (this.readyState == 4 && this.status == 200) {\n";
html += "document.body.innerHTML =this.responseText}\n";
html += "};\n";
html += "xhttp.open(\"GET\", \"/\", true);\n";
html += "xhttp.send();\n";
html += "}\n";
html += "</script>\n";
//Ajax Code END
html += "</head>";
html += "<body>";
html += "<div id='page'>";
html += "<div class='header'>";
html += "<h1>BME680 IAQ Monitoring System</h1>";
html += "</div>";
html += "<div id='content' align='center'>";
html += "<div class='box-full' align='left'>";
html += "<h2>";
html += "IAQ Status: ";
html += IAQsts;
html += "</h2>";
html += "<div class='sensors-container'>";
//For Temperature
html += "<div class='sensors'>";
html += "<p class='sensor'>";
html += "<i class='fas fa-thermometer-half' style='color:#0275d8'></i>";
html += "<span class='sensor-labels'> Temperature </span>";
html += temperature;
html += "<sup class='units'>掳C</sup>";
html += "</p>";
html += "<hr>";
html += "</div>";
//For Humidity
html += "<p class='sensor'>";
html += "<i class='fas fa-tint' style='color:#0275d8'></i>";
html += "<span class='sensor-labels'> Humidity </span>";
html += humidity;
html += "<sup class='units'>%</sup>";
html += "</p>";
html += "<hr>";
//For Pressure
html += "<p class='sensor'>";
html += "<i class='fas fa-tachometer-alt' style='color:#ff0040'></i>";
html += "<span class='sensor-labels'> Pressure </span>";
html += pressure;
html += "<sup class='units'>hPa</sup>";
html += "</p>";
html += "<hr>";
//For VOC IAQ
html += "<div class='sensors'>";
html += "<p class='sensor'>";
html += "<i class='fab fa-cloudversify' style='color:#483d8b'></i>";
html += "<span class='sensor-labels'> IAQ </span>";
html += IAQ;
html += "<sup class='units'>PPM</sup>";
html += "</p>";
html += "<hr>";
//For C02 Equivalent
html += "<p class='sensor'>";
html += "<i class='fas fa-smog' style='color:#35b22d'></i>";
html += "<span class='sensor-labels'> Co2 Eq. </span>";
html += carbon;
html += "<sup class='units'>PPM</sup>";
html += "</p>";
html += "<hr>";
//For Breath VOC
html += "<p class='sensor'>";
html += "<i class='fas fa-wind' style='color:#0275d8'></i>";
html += "<span class='sensor-labels'> Breath VOC </span>";
html += VOC;
html += "<sup class='units'>PPM</sup>";
html += "</p>";
html += "</div>";
html += "</div>";
html += "</div>";
html += "</div>";
html += "</div>";
html += "</body>";
html += "</html>";
return html;
}
void errLeds(void)
{
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
delay(100);
digitalWrite(LED_BUILTIN, LOW);
delay(100);
}
