, Shabnum Rasool Shaikh, Snehal Suryakant Kale, Arti Ashokrao Suryawanshi, Prof. Chalkikar G. V. “Arduino Based Real Time Clock With Ringing of Bell and National Anthem”. International Journal on Recent and Innovation Trends in Computing and Communication 6, no. 6 (June 30, 2018): 33–35. Accessed January 28, 2022. https://ijritcc.org/index.php/ijritcc/article/view/1627.