These are the topics which I had prepared for anna university. Other topics i will update soon
I had given the YouTube links for the topics

MEANING OF RESEARCH
https://youtu.be/Z56RPZz7Hqo

RESEARCH Process
https://youtu.be/V8ndAyxkxtA

Communication

LINE CODING
Unipolar RZ, NRZ line coding
https://youtu.be/22nVoBu-eZg

POLAR NRZ , POLAR RZ , Bipolar RZ AND NRZ, MANCHESTER line coding

https://youtu.be/1vcmhtvKm3Q

COMPARISON OF AM types and spectrum
DSB SSB VSB
https://youtu.be/FQAkfVfBYng

COMPARISON OF AM and FM
https://youtu.be/iSn9dp3xg7M

FDMA TDMA CDMA
Part 1
https://youtu.be/nOVSa_a1qas
Part 2
https://youtu.be/r-RxGQuZLio


Microprocessor 8085 architecture
https://youtu.be/VhMWtJUiAgQ

Microprocessor 8085 interfacing
https://youtu.be/6ostzkOTYaY

Microcontroller and PIC Controller
https://www.youtube.com/live/SH2bLWps1mE?feature=share

SPECIAL FUNCTION REGISTER of 8051
Part 1
https://youtu.be/-x6R3zepx70
Part 2
https://youtu.be/wzRwAoxtA50

SPECIAL FUNCTION REGISTER of PIC CONTROLLER
https://youtu.be/auCqh6QMsP0

VLSI 
FBGA Architecture
https://youtu.be/RNLtpp2ZHbE
FBGA 2 Architecture
https://youtu.be/3FVpjkK9Ua0
FBGA Architecture
https://youtu.be/XlwocinS7e8

Low power VLSI
https://youtu.be/VK9SkB-rTkU