Ajay V 1, Kudala Bharadwaj Reddy 0, P Shiva Teja , Subraveti Naga Akash, Dr. Bharathi S H. Door-Automation System Based on Speech Command Pin Using Android Smartphone. International Journal of Advanced Science and Technology, v. 29, n. 10s, p. 3879-3888, 1 Jun. 2020.