security camera for remote access (mobile, tablet or PC), with a lot of known solved issues (Raspberry PI specific)

Step-by-step guide how to build a surveillance camera with Raspberry PI (the hardwares cost ca. $100). I will tell you how to make a stable remote access and how to use with PC or with mobile devices.

You can learn Raspberry PI basics also.

I collected the known issues those have solutions. And I will add a new ones if the participants send me their detailed problem description.
What are the requirements?

Ideal for electrical technician and engineers (student level also)
Hobbyists