It has a push-button interface, a 16x2 LCD display, a GPS, module, and sensors like accelerometer and ultrasonic sensors. The GPS module and GSM module transfers the user coordinates to the registered ...

Code Overview We used the following libraries: LiquidCrystal.h – For controlling the LCD. dht.h – For interfacing with the DHT22 temperature sensor. Conclusion The Smart Home Energy Management System ...

LCD Interfacing: Initialize and operate 16x2 or 20x4 LCDs in 4-bit/8-bit modes. Dynamic LCD Display: Show scrolling, blinking, and formatted text on screen. Keypad Interfacing: Detect keypresses via ...