funky stuff

.gitignore

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+secrets.h

proto.ino

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+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <WiFi.h>
+#include <MQTT.h>
+
+#include <Adafruit_SSD1306.h>
+#include <DHT11.h>
+#include <Adafruit_AHTX0.h>
+#include "ScioSense_ENS160.h"
+#include "secrets.h"
+
+#define SCREEN_WIDTH 128 // OLED display width, in pixels
+#define SCREEN_HEIGHT 32 // OLED display height, in pixels
+#define OLED_RESET     -1
+#define SCREEN_ADDRESS 0x3C
+
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+ScioSense_ENS160 ens160(ENS160_I2CADDR_1);
+DHT11 dht11(2);
+Adafruit_AHTX0 aht;
+
+WiFiClient net;
+MQTTClient client;
+
+int ATHtempC; 
+int ATHhumidity;
+
+unsigned long timestamp = 0;
+unsigned long uploadts = 0;
+
+void connect() {
+  Serial.print("checking wifi...");
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(1000);
+  }
+
+  Serial.print("\nconnecting...");
+  while (!client.connect(HOSTNAME, MQTT_USER, MQTT_PASS)) {
+    Serial.print(".");
+    delay(1000);
+  }
+
+  Serial.println("\nconnected!");
+  //client.subscribe("/hello");
+}
+
+void sensors(){
+  Serial.print("ENS160...");
+  dht11.setDelay(1000);
+  ens160.begin();
+  delay(1000);
+
+  Serial.println(ens160.available() ? "done." : "failed!");
+  if (ens160.available()) {
+    Serial.print("\tRev: "); Serial.print(ens160.getMajorRev());
+    Serial.print("."); Serial.print(ens160.getMinorRev());
+    Serial.print("."); Serial.println(ens160.getBuild());
+
+    Serial.print("\tStandard mode ");
+    Serial.println(ens160.setMode(ENS160_OPMODE_STD) ? "done." : "failed!" );
+  }
+
+  if (! aht.begin()) {
+    Serial.println("Could not find AHT? Check wiring");
+    while (1) delay(10);
+  }
+  Serial.println("AHT10 or AHT20 found");
+
+ if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) { // Address 0x3D for 128x64
+    Serial.println("SSD1306 allocation failed");
+    for(;;);
+  }
+}
+
+void writeToScreen(String &text) {
+  display.clearDisplay();
+  display.setCursor(0, 3);
+  display.println(text);
+  display.display(); 
+}
+
+/*
+void messageReceived(String &topic, String &payload) {
+  Serial.println("incoming: " + topic + " - " + payload);
+}
+*/
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) {}
+
+  WiFi.setHostname(HOSTNAME);
+  WiFi.begin(WIFI_SSID, WIFI_PASS);
+  client.begin(MQTT_URL, MQTT_PORT, net);
+  //client.onMessage(messageReceived);
+
+  connect();
+  sensors();
+
+  display.clearDisplay();
+  display.setTextSize(1);
+  display.setTextColor(WHITE);
+  display.display(); 
+}
+
+void loop() {
+  client.loop();
+  delay(1000);
+  if (!client.connected()) {
+    connect();
+  }
+  
+  if (millis() - timestamp > 2500) {
+    timestamp = millis();
+    sensors_event_t humidity1, temp;
+    aht.getEvent(&humidity1, &temp); 
+
+    ATHtempC = (temp.temperature);
+    ATHhumidity = (humidity1.relative_humidity);
+
+    int temperature = 0;
+    int humidity = 0;
+    int result = dht11.readTemperatureHumidity(temperature, humidity);
+
+    if (result == 0 && ens160.available()) {    
+      ens160.set_envdata(temperature, ATHhumidity);
+      ens160.measure(true);
+      ens160.measureRaw(true);
+
+      Serial.print("Temperature: ");Serial.print(temperature);Serial.print("°C\tHumidity: ");Serial.print(ATHhumidity);Serial.print("% ");
+      Serial.print("AQI: ");Serial.print(ens160.getAQI());Serial.print(" ");
+      Serial.print("TVOC: ");Serial.print(ens160.getTVOC());Serial.print("ppb ");
+      Serial.print("eCO2: ");Serial.print(ens160.geteCO2());Serial.println("ppm "); 
+
+      writeToScreen("Temp: " + String(temperature) + "C H: " + String(ATHhumidity) + "%\nAQI: " + ens160.getAQI());
+      if (millis() - uploadts > 30000) {
+        client.publish("envi/temparature", String(temperature));
+        client.publish("envi/humidity", String(ATHhumidity));
+        client.publish("envi/aqi", String(ens160.getAQI()));
+        client.publish("envi/tvoc", String(ens160.getTVOC()));
+        client.publish("envi/eco", String(ens160.geteCO2()));
+        uploadts = millis();
+      }
+    }
+
+    if(result != 0 || !ens160.available()) {
+      client.publish("envi/error", "sensor error");
+      Serial.println(DHT11::getErrorString(result));
+    }
+  }
+}