In the future, don't hold something and look at the thoughts that feel very low-level and don't want to get it. In many cases, it is the thoughts of amateur laymen without going deep.
Just as some training teachers said that STM32 is not advanced in Linux. You used to think that Bluetooth is not inferior. Actually, various protocol stacks. STM32, you find in depth that you have not completely mastered it, and every line of code inside has not really been hacked. Unmanned aerial vehicles may be considered a toy to laymen. This is also a superficial understanding. People in the industry know that it represents the peak of robots. Therefore, those of us who get the technology should not be as knowledgeable as laymen.
Just like those who haven't read books think there is something to study about water.
Optical flow module, low-level? It's all done by a bunch of master and doctor companies.
You think that thing is very simple, it can only show that you are amateur.
You will find it very interesting to really dive into its underlying principles.
How many people's efforts are behind a single Bluetooth protocol stack.
A PX4 is estimated to be enough for you to study for several years, and how many people are behind it.
Many times you obviously can't do it, and you still don't look at it. It's not good to do the technique like this. You used to be like that.
It should be possible to say that no matter what you do, it will be very interesting to go deeper.
Just like you think that drawing PCB is not advanced, it may not be the case. So you often don't negate a thing casually.
Even the operation and maintenance can be done by Professor Tsinghua.
A serial port driver has also become interesting. Three years ago, you probably wouldn't pay attention to this at all. This is the transition from amateur to professional. Three years ago, you might not even have an embedded door.
Even if it is such a basic function as the Internet, the actual programming behind the network is not easy, right, the layman may think it is nothing, the insider thinks it is interesting.
If you think it is simple, you think it is low-level, that means you didn't even enter the door.
In college, you felt that the textbooks were not advanced enough, but you were actually wrong. Later, the postgraduate entrance examination signal and system and so on,
。