Dual Axis Solar Tracking System

To maximize the efficiency of solar energy harvesting, the system is designed to implement a dual-axis solar tracker. The principle is based on continuously aligning the solar panel with the sun’s position throughout the day.

The system utilizes four LDR (Light Dependent Resistor) sensors to detect the direction of maximum sunlight intensity. An Arduino Uno processes the sensor data and controls the motors accordingly. A stepper motor drives horizontal rotation (azimuth control), while a servo motor adjusts the vertical tilt angle (elevation control) of the panel. This ensures that the solar panel maintains optimal orientation with respect to the sun.

Hardware Components:

1) Arduino Uno

2) LDR Sensors (x4)

3) Stepper Motor (horizontal rotation)

4) Servo Motor (vertical tilt)

5) Passive Components: Resistors, Switches, Capacitors, LEDs

Software Environment:

1) Developed in C using the Arduino IDE

2) Embedded control algorithms for real-time sun-tracking operation

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