Why turn on street lights manually when it can be made automatic?

Key Takeaways

• What is bridge rectifier (BR1), 7812 voltage regulator and how to use it
• How voltage regulator generates 12V
• How to step down transform used in this circuit and what is its purpose
• What is op-amp and how it works
• What is LM741 and how it works
• Where 12 power is used

Who benefits the most:

• DiYer and Electronics Enthustics
• Researchers and students working on electronics project
• Students studying engineering /diploma