Password lock circuit diagram
               Building a Secure Password Lock Circuit with IC CD4017: A Step-by-Step       Guide          Introduction:             In today's digital age, security is of utmost importance. Whether it's       your home, office, or personal belongings, safeguarding them with a       reliable locking mechanism is essential. One effective way to enhance       security is by creating a password-protected lock circuit. In this blog       post, we will guide you through the process of building a secure password       lock circuit using the versatile IC CD4017.                                     **Table of Contents:**             1. **What is IC CD4017?**        2. **Components Required**        3. **Circuit Diagram**        4. **Circuit Explanation**        5. **Construction Steps**        6. **Testing the Password Lock Circuit**        7. **Enhancements and Customizations**        8. **Conclusion**          **1. What is IC CD4017?**             IC CD4017, also known as the Decade ...