Ask HN: Resources to learn about automation systems?

Are there any specific topics you would like to learn? (e.g. PLC programming, Machine Vision, IoT, HMI development, ...)

Also is your goal to learn enough to get a job?

Here are some online resources available at no charge:

Engineering Manual of Automatic Control for Commercial Buildings (Honeywell, 1997)

Feedback Systems: An Introduction for Scientists and Engineers

Instrumentation and Control (U.S. Department of Energy)

(This is part of a series for nuclear plant operators, but the basic principles are equally applicable in many other fields.)

Just got brochures