/********* 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 Display** - Source Code NOT compiled for: Arduino Nano ESP32 - Source Code created on: 2024-10-03 14:45:25 ********* 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/adafruit/DHT-sensor-library /****** FUNCTION PROTOTYPES *****/ void setup(void); void loop(void); void updateOutputs(void); /***** DEFINITION OF DIGITAL INPUT PINS *****/ 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 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; // Create an instance of the LiquidCrystal library 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); // Create an instance of the DHT sensor DHT dht(temperatureSensor_DHT22_DOUT_PIN_D9, DHT22); // Assuming DHT22 sensor void setup(void) { // Initialize the LCD lcd.begin(16, 2); lcd.print("Initializing..."); // Initialize the DHT sensor dht.begin(); // Initialize Bluetooth (Assuming you have a Bluetooth library for this) // Bluetooth.begin(); // Uncomment and replace with actual Bluetooth initialization code } void loop(void) { // Read temperature and humidity float temperature = dht.readTemperature(); // Read temperature in Celsius float humidity = dht.readHumidity(); // Read humidity // Check if any reads failed and exit early (to try again). if (isnan(temperature) || isnan(humidity)) { lcd.clear(); lcd.print("Failed to read!"); return; } // Display temperature and humidity on the LCD lcd.clear(); lcd.setCursor(0, 0); lcd.print("Temp: "); lcd.print(temperature); lcd.print(" C"); lcd.setCursor(0, 1); lcd.print("Humidity: "); lcd.print(humidity); lcd.print(" %"); // Send temperature data via Bluetooth // Bluetooth.print("Temperature: "); // Uncomment and replace with actual Bluetooth sending code // Bluetooth.print(temperature); // Uncomment and replace with actual Bluetooth sending code // Bluetooth.print(" C"); // Uncomment and replace with actual Bluetooth sending code delay(2000); // Wait for 2 seconds before the next loop } void updateOutputs() { digitalWrite(display_LCD1602_RS_PIN_D2, display_LCD1602_RS_PIN_D2_rawData); digitalWrite(display_LCD1602_E_PIN_D3, display_LCD1602_E_PIN_D3_rawData); digitalWrite(display_LCD1602_D4_PIN_D4, display_LCD1602_D4_PIN_D4_rawData); digitalWrite(display_LCD1602_D5_PIN_D5, display_LCD1602_D5_PIN_D5_rawData); digitalWrite(display_LCD1602_D6_PIN_D6, display_LCD1602_D6_PIN_D6_rawData); digitalWrite(display_LCD1602_D7_PIN_D7, display_LCD1602_D7_PIN_D7_rawData); } /* END CODE */