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First, the use of single-chip microcomputer commonly used in robots
What is the shortcut to learning a microcontroller?
The so-called shortcut is to take less detours. I just started to learn a single-chip computer and took a lot of detours. Many friends and I have similar experiences. I just started to contact MCUs, and I don’t know which one to choose from. I don’t know which one to buy when I want to practice. I don’t know how to buy a single-chip microcomputer. Programming download program...
A Careful reading of this article for beginners is one of the shortcuts to learning microcontrollers.
B Go to the library or bookstore and choose one of the dozens of MCU books that you can read, and think that the case is interesting, "real, lively, lively" MCU books as your primer.
C is recommended to start with 51 microcontrollers. Master 51 after learning AVR, then learn ARM, DSP and so on.
D is very necessary to practice in the learning process. You need a computer. If it is a desktop computer, you can buy a 25-pin parallel port download line for a dozen yuan. If it is a laptop, you can only buy a USB ISP programmer with tens of dollars to several hundred dollars.
E Use a universal board to solder a single MCU minimum system, or purchase a development board. There is no need to use expensive emulators.
F You need to download the MCU programming software online, such as 51 with Keil programming, AVR with CVAVR programming, programming in the programming software, then generate HEX file, then download and burn the program software or USB ISP burning program software, use the burning program The software loads the HEX file, and then the programming line is found on your MCU board, and the program can be burned into the MCU.
G Unplug the programming line, then turn on the power of the microcontroller board. You can see that the microcontroller system is running.
H If the system is not working properly, first check if the circuit is connected incorrectly, and then check if the program is burned incorrectly. If there is nothing wrong with the above, check if the program is wrong. Sometimes the system does not work properly does not mean that something is wrong, but some parameters are not set, you need to constantly run, modify the program, debug parameters, and then run back and forth until you are satisfied with the system operation. Sometimes this is a very difficult and repetitive work. Adjusting hundreds of times thousands of times, you can't avoid it. You can only strengthen your faith and go forward.
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Second, what control robots do people use before the birth of the one-chip computer?
1 analog computer
Before the birth of digital computers, people used electronic tubes, capacitors, and inductors and resistors to build analog computers, which could perform many simple calculation and control tasks. The so-called analog computer is the analog signal whose calculation is not a 1, 0 digital signal, but a voltage continuous conversion analog, similar to the operation adopted by various controllers in the automatic control principle. Don't underestimate the analog computer. In the Middle East War in the 1980s, the Soviet-made fully automatic self-defense gun used in the Arab countries used an analog computer to calculate the aircraft trajectory and control the firing target.
2 controller composed of gears and cams
Before the birth of the analog computer, that is, in the steam engine era, some mechanical geniuses used hundreds of gears and cams to build a mechanical computer. People turned the various gears printed with numbers, and other gears showed the results. Mechanical computers used to be high-tech products in the history of mankind. In the Second World War, the famous German cryptograph was an electromechanical hybrid computer, which was the most secret communication tool at the time.
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