Solar tracking system using pic microcontroller

Solar tracking system using pic microcontroller, In this article you will learn what is solar tracking system? Why We need of solar tracking system ? Which methods of solar tracking system being used now a days ? How to design Solar tracking system ? circuit diagram of solar tracking system. How to write code of Solar tracking system using pic microcontroller? Let’s start with basic introduction of solar tracking system.

Page Contents hide1 What is Solar tracking system ?
2 Sun Solar tracking system :
3 Time solar tracking system :
3.0.1 Power suply :
4 Sun solar tracking system working :
4.1 Light senor using PIC16F877A microcontroller
5 Circuit diagram of sun solar tracking system using pic microcontroller :Solar tracking system using pic microcontroller

What is Solar tracking system ?

Solar tracking system is a method to withdraw maximum power from solar panels. As we know solar panels convert solar energy into electrical energy through photovoltaic phenomenon. Greater the intensity of solar light falls on solar panel, greater output observe at the output of solar panel. So we Need to develop a such method which rotate solar panel according to tracking of sun. So that we can withdraw maximum power from our installed solar panels.

I have already explained that why we need of Solar tracking system. The objective is to expose solar panel to maximum time in front of solar light to get maximum power from solar panels. Many methods have been developed to for Solar tracking system. But in this article I will discuss only two popular methods of Solar tracking system. Name of two methods are given below:

  • Sun solar tracking system
  • Time solar tracking system
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Sun Solar tracking system :

In this method, we rotate the solar panel with the help of stepper motor with the direction of sun light. The main purpose is to expose solar panel maximum to sun light. cease greater the sun light, greater will be the output of solar panel.A stepper motor is used to rotate solar panels in the direction of  sun light. In this method two lights sensors are used to measure sun light. Light dependent resistor (LDR) and photo diode both are use for this purpose.

Time solar tracking system :

This method is basically an enhancement of sun solar tracking system. In this advance method of Solar tracking system, time is also involved for the rotation of solar panels according to sun light direction. A real-time clock is used to keep information of real-time during the day. With the help of real-time clock and microcontroller, Solar tracking system turn off automatically in night-time. Real time clock use time information during the day and season.  Season information is also used to keep idea about the rotation of sun. With the help of this information solar panels rotate according to rotation of sun.

In this article I have discussed sun solar tracking system.  In sun solar tracking system both hardware and software is used to developed a complete project. Main components of solar tracking system is given below :Solar tracking system using pic microcontroller schematic

Components :

  • Solar panel
  • Stepper motor
  • ULN2003
  • 5 volt power supply
  • PIC16F877A microcontroller
  • Oscillator
  • Resistors
  • Capacitors
  • Light dependent resistor
Power suply :

5 volt power supply is required to power ULN2003 and microcontroller. One can easily design 5 volt power supply using step down transformer 220v / 12v AC. Step down voltage is fed to full bridge ( Full wave rectification ). After that polar capacitor is used to remove AC ripples from output. After that 7805 voltage regulator is used to get regulated 5 volt output. This 5 volt output can be used for power source to pic16f877a microcontroller and ULN2003. Circuit diagram of 5 volt power supply is given below:

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