A smart lighting system built using ESP32 that automatically controls lights based on motion detection, light intensity, and manual input. This project demonstrates the basics of IoT, sensors, and embedded programming.
- ESP32 Development Board
- PIR Motion Sensor
- LDR (Light Dependent Resistor) Module
- Potentiometer
- LEDs (Green, Blue, Yellow)
- Resistors
- Jumper Wires
- The PIR sensor detects human motion.
- The LDR module measures ambient light intensity.
- The potentiometer is used to adjust sensitivity/threshold values.
- Based on sensor inputs:
- Lights turn ON when motion is detected in low-light conditions.
- Lights remain OFF when sufficient ambient light is available.
- LEDs indicate different system states.
- Automatic light control
- Energy-efficient system
- Manual sensitivity adjustment
- Real-time sensor interaction
- Beginner-friendly IoT project
This project was designed and tested using Wokwi Simulator.
🔗 Wokwi Project Link:
https://wokwi.com/projects/449938141065819137
smart-lighting-system/
│── sketch.ino # ESP32 source code
│── diagram.json # Circuit diagram (Wokwi)
│── README.md # Project documentation
- Open the Wokwi link or clone this repository.
- Upload
sketch.inoto ESP32 using Arduino IDE. - Connect components as shown in the circuit diagram.
- Power the ESP32 and observe automatic lighting behavior.
- Smart homes
- Energy-saving lighting systems
- Automated classrooms
- IoT-based automation projects
Hariharasudhan D
Aspiring Software / IoT Developer