To design a delay timer circuit using 555 timer IC.
- A. Anand Kumar, "Fundamentals of Digitals Circuits", 4th edition, PHI Learning Private Limited
- R. P. Jain, "Modern Digital Electronics", 4th edition, McGraw Hill Education ( India ) Private Limited
- Donald P Leach, Albert Paul Malvino, Goutam Saha, "Digital Principles and Application", 7th edition, Tata McGraw Hill Education Private Limited
- Venkata Rao K., Manmadha Rao G., Rama Sudha K., "Pulse and Digital Circuits", Pearson Education
- Ramakant A. Gayakwad, "Op-Amps And Linear ICs", 4th edition, Prentice Hall/Pearson Education, 2001