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/********* Pleasedontcode.com ********** Pleasedontcode thanks you for automatic code generation! Enjoy your code! - Terms and Conditions: You have a non-exclusive, revocable, worldwide, royalty-free license for personal and commercial use. Attribution is optional; modifications are allowed, but you're responsible for code maintenance. We're not liable for any loss or damage. For full terms, please visit pleasedontcode.com/termsandconditions. - Project: Temp Humidity - Source Code NOT compiled for: Arduino Nano ESP32 - Source Code created on: 2024-10-02 22:17:40 ********* Pleasedontcode.com **********/ /****** SYSTEM REQUIREMENTS *****/ /****** SYSTEM REQUIREMENT 1 *****/ /* Initialize internal Bluetooth device as master, */ /* receive BLE data, and show it on a 16x2 LCD using */ /* LiquidCrystal library for Arduino. */ /****** SYSTEM REQUIREMENT 2 *****/ /* read temperature and send it via bluetooth. */ /****** END SYSTEM REQUIREMENTS *****/ /****** DEFINITION OF LIBRARIES *****/ #include
#include
//https://github.com/arduino-libraries/LiquidCrystal #include
//https://github.com/matmunk/DS18B20 #include
//https://github.com/stblassitude/Adafruit_SSD1306_Wemos_OLED.git #include
//https://github.com/olikraus/U8g2_for_Adafruit_GFX #include
//https://github.com/adafruit/DHT-sensor-library #include "LiquidCrystalDisplay.h" // Include the new LCD display header /****** FUNCTION PROTOTYPES *****/ void setup(void); void loop(void); void updateOutputs(); void readTemperatureAndSend(); /***** DEFINITION OF DIGITAL INPUT PINS *****/ const uint8_t temp_DS18B20_DQ_PIN_D8 = 8; const uint8_t temperatureSensor_DHT22_DOUT_PIN_D9 = 9; /***** DEFINITION OF DIGITAL OUTPUT PINS *****/ const uint8_t display_LCD1602_RS_PIN_D2 = 2; const uint8_t display_LCD1602_E_PIN_D3 = 3; const uint8_t display_LCD1602_D4_PIN_D4 = 4; const uint8_t display_LCD1602_D5_PIN_D5 = 5; const uint8_t display_LCD1602_D6_PIN_D6 = 6; const uint8_t display_LCD1602_D7_PIN_D7 = 7; /***** DEFINITION OF I2C PINS *****/ const uint8_t myOledDisplay_SSD1306OledDisplay_I2C_PIN_SDA_A4 = A4; const uint8_t myOledDisplay_SSD1306OledDisplay_I2C_PIN_SCL_A5 = A5; const uint8_t myOledDisplay_SSD1306OledDisplay_I2C_SLAVE_ADDRESS = 60; /****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/ // Initialize the Adafruit SSD1306 display object with the correct I2C address Adafruit_SSD1306 display(myOledDisplay_SSD1306OledDisplay_I2C_SLAVE_ADDRESS, myOledDisplay_SSD1306OledDisplay_I2C_PIN_SDA_A4, myOledDisplay_SSD1306OledDisplay_I2C_PIN_SCL_A5); // Initialize U8g2_for_Adafruit_GFX object U8G2_FOR_ADAFRUIT_GFX u8g2_for_adafruit_gfx; // Create an instance of U8g2_for_Adafruit_GFX // Initialize DS18B20 object with the correct pin DS18B20 ds(temp_DS18B20_DQ_PIN_D8); // Using the defined pin for DS18B20 // Initialize DHT sensor object with the correct pin and type #define DHTTYPE DHT22 // Define the type of DHT sensor DHT dht(temperatureSensor_DHT22_DOUT_PIN_D9, DHTTYPE); // Initialize DHT sensor void setup(void) { // put your setup code here, to run once: pinMode(temp_DS18B20_DQ_PIN_D8, INPUT); pinMode(temperatureSensor_DHT22_DOUT_PIN_D9, INPUT_PULLUP); pinMode(display_LCD1602_RS_PIN_D2, OUTPUT); pinMode(display_LCD1602_E_PIN_D3, OUTPUT); pinMode(display_LCD1602_D4_PIN_D4, OUTPUT); pinMode(display_LCD1602_D5_PIN_D5, OUTPUT); pinMode(display_LCD1602_D6_PIN_D6, OUTPUT); pinMode(display_LCD1602_D7_PIN_D7, OUTPUT); // Initialize the DHT sensor dht.begin(); // Start the DHT sensor // Initialize the OLED display display.begin(SSD1306_SWITCHCAPVCC, myOledDisplay_SSD1306OledDisplay_I2C_SLAVE_ADDRESS); display.display(); delay(2000); display.clearDisplay(); // Initialize U8g2_for_Adafruit_GFX with the display u8g2_for_adafruit_gfx.begin(display); // Initialize the U8g2_for_Adafruit_GFX library initLCD(); // Initialize the LCD display } void loop(void) { // put your main code here, to run repeatedly: updateOutputs(); // Refresh output data readTemperatureAndSend(); // Read temperature and send via Bluetooth } void updateOutputs() { // Update the LCD display with the latest data lcd.clear(); lcd.setCursor(0, 0); lcd.print("Temp: "); lcd.print(dht.readTemperature()); lcd.print(" C"); lcd.setCursor(0, 1); lcd.print("Humidity: "); lcd.print(dht.readHumidity()); lcd.print(" %"); } void readTemperatureAndSend() { // Read temperature from DHT22 sensor float temperature = dht.readTemperature(); float humidity = dht.readHumidity(); // Check if the readings are valid if (isnan(temperature) || isnan(humidity)) { Serial.println("Failed to read from DHT sensor!"); return; } // Send temperature data via Bluetooth // Assuming you have a Bluetooth object initialized // bluetoothSerial.print("Temperature: "); // bluetoothSerial.println(temperature); } /* END CODE */
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