In this video 4x4 matrix keyboard interfacing, flowchart and assembly language program are explained. ( On line lecture recording)
For the theory of 8051 and PIC microcontroller refer the following blog:
https://kkwtemicrocontrollers.blogspo...
For MSP430 refer the following blog:
https://learncontrollers.blogspot.com/
To learn Computer languages and Microcontrollers click the link:
https://sites.google.com/view/ctoccoa...