/********* 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: **Sensor Monitor** - Source Code NOT compiled for: Arduino Nano ESP32 - Source Code created on: 2024-10-03 14:19:16 ********* 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/adafruit/DHT-sensor-library #include // Include Bluetooth library /****** FUNCTION PROTOTYPES *****/ void setup(void); void loop(void); void updateOutputs(void); void readTemperatureAndSend(void; /***** DEFINITION OF DIGITAL INPUT PINS *****/ const uint8_t temp_DS18B20_DQ_PIN_D8 = 8; // DS18B20 data pin const uint8_t temperatureSensor_DHT22_DOUT_PIN_D9 = 9; // DHT22 data pin /***** DEFINITION OF DIGITAL OUTPUT PINS *****/ const uint8_t display_LCD1602_RS_PIN_D2 = 2; // LCD RS pin const uint8_t display_LCD1602_E_PIN_D3 = 3; // LCD Enable pin const uint8_t display_LCD1602_D4_PIN_D4 = 4; // LCD D4 pin const uint8_t display_LCD1602_D5_PIN_D5 = 5; // LCD D5 pin const uint8_t display_LCD1602_D6_PIN_D6 = 6; // LCD D6 pin const uint8_t display_LCD1602_D7_PIN_D7 = 7; // LCD D7 pin /***** DEFINITION OF OUTPUT RAW VARIABLES *****/ bool display_LCD1602_RS_PIN_D2_rawData = 0; bool display_LCD1602_E_PIN_D3_rawData = 0; bool display_LCD1602_D4_PIN_D4_rawData = 0; bool display_LCD1602_D5_PIN_D5_rawData = 0; bool display_LCD1602_D6_PIN_D6_rawData = 0; bool display_LCD1602_D7_PIN_D7_rawData = 0; /***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/ float display_LCD1602_RS_PIN_D2_phyData = 0.0; float display_LCD1602_E_PIN_D3_phyData = 0.0; float display_LCD1602_D4_PIN_D4_phyData = 0.0; float display_LCD1602_D5_PIN_D5_phyData = 0.0; float display_LCD1602_D6_PIN_D6_phyData = 0.0; float display_LCD1602_D7_PIN_D7_phyData = 0.0; /****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/ // Initialize the LiquidCrystal object LiquidCrystal lcd(display_LCD1602_RS_PIN_D2, display_LCD1602_E_PIN_D3, display_LCD1602_D4_PIN_D4, display_LCD1602_D5_PIN_D5, display_LCD1602_D6_PIN_D6, display_LCD1602_D7_PIN_D7); // Initialize the DHT sensor DHT dht(temperatureSensor_DHT22_DOUT_PIN_D9, DHT22); // Initialize Bluetooth Serial BluetoothSerial SerialBT; void setup(void) { // Initialize the LCD lcd.begin(16, 2); lcd.clear(); // Initialize the DHT sensor dht.begin(); // Initialize Bluetooth SerialBT.begin("ESP32_Bluetooth"); // Bluetooth device name // Set pin modes pinMode(temp_DS18B20_DQ_PIN_D8, INPUT); } void loop(void) { // Update outputs updateOutputs(); // Read temperature and send via Bluetooth readTemperatureAndSend(); delay(2000); // Delay for stability } void updateOutputs() { // Update LCD display with raw data lcd.setCursor(0, 0); lcd.print("LCD Data:"); lcd.setCursor(0, 1); lcd.print("Temperature: "); } void readTemperatureAndSend() { // Read temperature from DHT sensor float temperature = dht.readTemperature(); // Read temperature as Celsius // Check if the reading is valid if (isnan(temperature)) { lcd.print("Err"); SerialBT.println("Failed to read temperature"); } else { lcd.print(temperature); SerialBT.print("Temperature: "); SerialBT.println(temperature); } } /* END CODE */