This project presents a Solar Battery Charging and LED Load Management System using a PIC Microcontroller. The system utilizes a solar cell as the primary energy source to charge a rechargeable battery through a charging circuit. Voltage sensors continuously monitor the solar panel and battery voltages and provide feedback to the PIC microcontroller. Based on the battery condition, the microcontroller controls a boost converter through PWM signals to regulate power supplied to the LED load. The system status, including voltage levels, is displayed on an LCD screen. Additional components such as a crystal oscillator, reset button, and LED indicators ensure reliable operation. This system offers an efficient, low-cost, and environmentally friendly solution for solar energy harvesting, battery management, and LED lighting applications.     Objectives

• To design a solar-powered battery charging system using a PIC microcontroller.
• To monitor solar panel and battery voltages using voltage sensors.
• To control battery charging and load operation efficiently through a boost converter.
• To display system parameters on an LCD for real-time monitoring.
• To provide a reliable and eco-friendly power supply for LED lighting applications.

    Components used:  

• SOLAR.
• CHARGING CIRCUIT.
• BATTERY.
• PIC MICROCONTROLLER.
• VOLTAGE SENSORS.
• Boost converter.
• LCD display.
• LEDs.
• Crystal Oscillator.
• Reset Button.
• LED indicators.

      Software’s used:  

1. PIC-C compiler for Embedded C programming.
2. PIC kit 2 programmer for dumping code into Micro controller.
3. Express SCH for Circuit design.

    Regulated power supply:

                                 

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