Dual Axis Solar Tracking System

Description

Introduction to Dual Axis Solar Tracker

The Dual Axis Solar Tracker is an automated project designed to keep a solar panel aligned with sunlight throughout the day. It combines LDR sensors, Arduino Uno R3, servo motors, a mini solar panel, and a mounting frame to adjust the panel horizontally and vertically.Moreover, the Dual Axis Solar Tracker demonstrates how solar panels can automatically follow changing sunlight. In addition, automatic positioning reduces the need for manual adjustment. Furthermore, this project provides practical knowledge of solar energy, Arduino programming, LDR sensors, servo motor control, and embedded systems. Therefore, it is suitable for schools, colleges, workshops, renewable energy demonstrations, and final-year projects.

How the Dual Axis Solar Tracker Works

The system uses four LDR sensors to detect differences in light intensity from different directions. First, the LDR sensors measure the available sunlight. Next, the Arduino Uno R3 compares the sensor readings to identify the direction with stronger light.Then, the two SG90 servo motors move the solar panel along horizontal and vertical axes. If the sunlight changes direction, the Arduino sends new control signals to reposition the panel. As a result, the Dual Axis Solar Tracker maintains better alignment with the available sunlight.Meanwhile, the tracking mechanism continuously responds to changes in light intensity. Additionally, the system can be expanded with compatible displays, battery monitoring, data logging, or wireless modules. Thus, it provides a practical platform for exploring automated solar tracking and renewable energy technology.

Components Included

• Arduino Uno R3
• 2x SG90 Servo Motors for pan/tilt movement
• 4x LDR Sensors
• Mini Solar Panel — 6V 1.8W
• Mounting Frame
• Jumper Wires

Key Features & Specifications

• Controller: Arduino Uno R3
• Tracking: Automatic dual-axis solar tracking
• Sensors: 4x LDR light sensors
• Movement: Horizontal and vertical panel positioning
• Actuation: 2x SG90 servo motors
• Solar Panel: 6V 1.8W mini solar panel
• Operation: Automatic sunlight detection and adjustment
• Technology: Solar energy, sensors, and embedded systems
• Control: Arduino-based sensor control
• Design: Suitable for educational and prototype projects
• Learning Areas: Arduino, LDR sensors, servo motors, solar energy, and automation

Applications & Use Cases

The Dual Axis Solar Tracker can be used in schools, colleges, universities, workshops, renewable energy laboratories, and final-year projects. For example, students can demonstrate how a solar panel automatically changes its position according to sunlight.Similarly, learners can gain practical experience with LDR sensors, Arduino programming, servo motors, solar panels, and embedded systems. In addition, the project can be modified with IoT connectivity, LCD displays, battery monitoring, data logging, or wireless communication modules.Furthermore, the Dual Axis Solar Tracker can support experiments involving solar panel positioning, light detection, and automated control. As a result, it provides an effective learning platform for exploring renewable energy, solar tracking technology, and Arduino-based automation. Overall, this project combines electronics, programming, and clean-energy concepts in a practical and engaging system.

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