FIREBASE | Streaming from ESP32 to ESP8266(Ft. DHT11 - Temperature, Humidity & Heat Index)

FIREBASE/STREAMING_FROM_ESP32_TO_ESP8266/ESP32_SSD1351_DHT11/ESP32_SSD1351_DHT11.ino

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+#include <SPI.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1351.h>
+#include <Fonts/FreeSansBold12pt7b.h>
+#include <Fonts/FreeSans12pt7b.h>
+#include <DHT.h>
+
+#define DHTTYPE DHT11
+#define DHTPIN 13
+#define SCREEN_WIDTH 128
+#define SCREEN_HEIGHT 128
+#define DC_PIN 17
+#define CS_PIN 5
+#define RST_PIN 4
+#define BLACK 0x0000
+#define RED   0xF800
+#define WHITE 0xFFFF
+#define BLUE  0x001F
+
+Adafruit_SSD1351 tft = Adafruit_SSD1351(SCREEN_WIDTH, SCREEN_HEIGHT, &SPI, CS_PIN, DC_PIN, RST_PIN);
+
+DHT dht(DHTPIN, DHTTYPE);
+
+void setup() {
+  Serial.begin(115200);
+  TFTInit();
+  DHTInit();
+}
+
+void loop() {
+  delay(1000);
+  float h = dht.readHumidity();
+  float f = dht.readTemperature(true);
+  if(isnan(h) || isnan(f)){
+    Serial.println("Failed to read from DHT sensor!");
+    return;
+  }
+
+  float hi = dht.computeHeatIndex(f, h);
+  Serial.printf("Temp: %f, Humidity: %f, Heat Index: %f\n", f, h, hi);
+
+  String temp = String(f);
+  temp += "F";
+  tft.fillRect(0, 28, 80, 24, BLACK);
+  tftDrawText(4, 46, temp, RED);
+
+  String hum = String(h);
+  hum += "%";
+  tft.fillRect(46, 82, SCREEN_WIDTH-46, 24, BLACK);
+  tftDrawText(SCREEN_WIDTH - 80, SCREEN_HEIGHT -26, hum, BLUE);
+
+  String ht = "*";
+  ht += String(hi);
+  ht += "*";
+  tft.fillRect(0, SCREEN_HEIGHT/3 + 10, SCREEN_WIDTH, 30, BLACK);
+  tftDrawText(SCREEN_WIDTH/3 - 20, SCREEN_HEIGHT/2 + 10, ht, WHITE);
+}
+
+void TFTInit(){
+  tft.begin();
+  tft.fillScreen(BLACK);
+  tft.drawLine(0, SCREEN_HEIGHT, SCREEN_WIDTH, 0, WHITE);
+  tft.setFont(&FreeSansBold12pt7b);
+  tftDrawText(4, 20, "Temp", RED);
+  tftDrawText(SCREEN_WIDTH - 36, SCREEN_HEIGHT -2, "RH", BLUE);
+  tft.setFont(&FreeSans12pt7b);
+}
+
+void tftDrawText(int x, int y, String text, uint16_t color){
+  tft.setCursor(x, y);
+  tft.setTextColor(color);
+  tft.print(text);
+}
+
+void DHTInit(){
+  dht.begin();
+}