Books and Guides
The following are the recommended books or online guides for the relevant topics

Books

Recommended Books
Author
Where to buy?
Remarks
Mechatronics
W.Bolton
โ€‹Amazonโ€‹
Starts with basics fundamentals of Mechatronics
Practical Node-RED Programming
Taiji Hagino
โ€‹Amazonโ€‹
This book will introduce you the world of IIoT
Siemens TIA Portal Advanced
Liam Bee
โ€‹Amazonโ€‹
Develop PLC and HMI program using standard methods and structured approached using TIA v17
Feel free to share your recommendation for the books related to Automation and IIoT

Guides- Offline and Online

Online/Offline Guides
Author
File
Weblink
Allen Bradley
Rockwell Automation
M1000_M.pdf
M1400_M.pdf
CCW_M.pdf
PowerFlex_M.pdf
โ€‹
Delta Automation
Delta Electronics
DeltaPLC_M.pdf
DeltaVFD_M.pdf
DeltaServo_M.pdf
ISPSoft_M.pdf
DeltaPLC_B.pdf
โ€‹
FACTORY IO
Real Games
Online Documentation: https://docs.factoryio.comโ€‹
MySQL Tutorials
w3 school
Learn with Online Editor: https://www.w3schools.com/mySQl/default.aspโ€‹
Node-RED Forum
Node-RED
Siemens - S7-200 PLC - S7-1200 PLC - KTP400 HMI
Siemens
S7-200_B.pdf
S7-1200_M.pdf
KTP400_M.pdf
SC10 Safety Controller
Banner Engineering
SC10_M.pdf
โ€‹
Simumatik Online courses
Simumatik
Online academy: https://academy.simumatik.comโ€‹