How to make a darkroom for developing photos at home?

It can be simple, that is, a fully enclosed small room, such as stairwells, bathrooms and other small places can be; Tools: thermometer (special for developing photos), developing tank, dark bag, bamboo clip, developing powder, fixing powder, three containers (filled with water), a clock, hanging rope and several clips. These are all necessary. With these, you can work. Of course, it can be simpler. You don't need a dark bag and a developing tank. You can do it by hand ... but you must have some experience. Also, digital is dominant now, try to use digital. It's so convenient and simple. You can't keep up with high technology. ...