Access Control Keypad, 4-3/4in H x 2in D

to [Music] hello good evening welcome to the session um i hope students are here it's 6 30. um once uh you are you have joined in the session please let me know or by some kind of message in the chat box [Music] hmm hello students good evening um the only thing that i request my students is please respond to me or else we are going to stare at the blank screen you are going to stare at the blank screen i'm going to stay and at the end of one and half hours we have not done anything said nice good evening welcome to the session thank you that you are here [Music] oh um oh unfortunately so far the only person who has responded is said so i'll talk to saida and i think only said will be my student today and that too for a very interesting uh topic so i thought today do you know what are we discussing good evening please don't use youtube come to the uh portal i'll not be able to manage you