Electronic Career Self-evaluation (Part One)
He is a fresh graduate of xx Vocational and Technical College majoring in electronics. In the past three years, the teacher's teaching, the friendship of classmates and the edification of all aspects have made me gain a lot of knowledge and understand a lot of truth. Have strong endurance, willpower and hard-working quality, be serious and responsible for work, be proactive, optimistic and persistent, and dare to face difficulties and challenges.
In order to better meet the needs of society, I make full use of my spare time and read a lot of extracurricular books on the premise of mastering the school curriculum, thus broadening my knowledge.
Through the study of professional courses, I now have strong computer operation ability and professional software use ability. Proficient in office and wps software, quartus ii, max+plus ii, altium designer 6 and protel 99 se software, verilog hdl, vhdl and C languages. Computer hardware, familiar with its composition principle, can skillfully assemble computers, and independently troubleshoot various computer failures. self-introduction
As a graduating college student, I am confident to meet the new challenges and overcome myself in the challenges. Maybe I am not the best, but I must be the most diligent. Please believe me and give me a chance to realize my self-worth.
Electronic Professional Self-evaluation Part II
This week, our class had a one-week electronic technology internship. The internship task is to make a radio and pcb board, which is actually just a simple assembly!
At the beginning, I didn't know what the electronic technology internship was going to do. I thought I could do whatever I wanted as an intern in Yangzhong. Later, I learned from the instructor that I made my own radio, and the radio asked to receive the broadcast, which sounded very interesting. In this way, I started this internship trip with great interest and fun.
On the first day, I didn't learn how to make it. I just prepared various components, did some basic exercises and practiced how to weld components with an electric soldering iron. Electric soldering iron is no stranger to me. I used it during my internship in Yangzhong before, but I am not familiar with it, so I take this internship opportunity very seriously. Welding looks simple, and there are many skills to pay attention to. In the process of welding, it is necessary to accurately grasp the time, neither too much nor too little. When practicing, it is best to think about the motor skills taught by the teacher while doing it, so that you can learn faster.
The main task of the next day is to understand the general principle of radio. Seriously, although I majored in electronics, I don't know enough about many commonly used electronic components. Teachers also know that we have little common sense, so we start with component identification. Then we began to insert various components into pcb according to the drawings.
On the third day, we will weld every component inserted yesterday. I made more than half of my pcb yesterday, so it didn't take long to weld it. I am both happy and worried, afraid that I can't debug myself. The teacher asked us to check the teacher after debugging. After debugging, I found some minor problems in my production, but after careful inspection and modification, I finally succeeded! Listening to the sound from my radio, I am extremely excited, because this is the crystallization of my labor!
The task of the fourth day is to install the radio shell.
On the fifth day, the teacher taught us the details and matters needing attention in writing the internship report. The internship is over this week.
This internship is very interesting and relaxed. Through the teacher's explanation, I learned the basic principles of radio and a lot of professional knowledge about electronics. Mastered the patch technology, know all kinds of technological processes, and understand all kinds of instruments and their functions and usage. In the process of internship, I constantly improve my hands-on ability and feel the fun of internship. At the same time, what should I pay attention to during the operation? So as to ensure the reliability and correctness of the operation. Because in practice, we often encounter various problems. After encountering problems, we must carefully check and find out the mistakes, and finally we must find ways to solve these problems. This process unconsciously improved my practical ability and laid the foundation for future study and experiment!
The second experiment is reverse-forward rotation training. We learned some theoretical knowledge last term. I think there should be no problem, and we can do it, but once we do it, it is not the same thing. After the connection, the motor does not turn, and it is found that the contact cannot be kissed. After we changed the voltage, the circuit resumed normal operation and the motor began to rotate in the opposite direction. This makes me understand that wiring must be serious and not sloppy. You must do everything carefully. Yes, I feel a lot.
The third test motor can be used for inching and self-locking control circuit training. This test circuit is no different from the last one. In addition, I have done two tests and am familiar with the application of electrical appliances. The operation is smooth, from which I have learned a lot, and I am familiar with the motor, so I can control it smoothly.
The last experiment is the training of automatic reciprocating circuit of workbench, which requires us to master the method of transforming electrical schematic diagram into installation wiring diagram through actual installation wiring, and master the function of travel switch and the application of machine tool circuit. This test is very complicated. We connected the wires and turned on the switch, but the machine stopped. We checked the wires and found that there was no wire in one place. We connected the wires and the machine started. Although it is not the same as the test requirements, we are very excited. Because it moved, we checked the line several times and found no problem. We are in a hurry. We turned the high frequency to the low frequency, but it still didn't work. Finally, we changed them to 1, 2, 3, 4, and the machine moved. We made it.
The week's internship ended in a blink of an eye, but a warm heart still loathes to give up the internship site, especially for our instructor.
Electronic professional self-assessment 3
Through a few days of practice, I learned a lot of truth, which really "benefited a lot". Of course, our internship task this time is not very heavy. Its task is to install some simple lighting circuits according to the drawings. The principle is not very complicated, but it really takes a lot of effort to install. Because four students use one workstation, the most important thing is the spirit of cooperation between the two sides, which I understand best.
This work is proceeding in an orderly way. This work needs special care. If you don't do it well, it's easy to start over. First of all, be sure to clean up the installed equipment and check whether it is in good condition. Third, we must use skilled efforts to make each pair of clips good and firm. After an afternoon, people were exhausted, but we were glad to see the effect of our installation. In another year and a half, we will step into the society and set foot on our jobs, but I feel that a week's study period is a portrayal of our future life. I will stick to it with my book knowledge and practical ability and sail in the river.
For the first time, I proudly watched the motor rotate through DIY wiring. I will say to myself, "well, I can also make the motor turn, ha, happy." Come on, it's really fun. "
Our teacher always tells us some theoretical contents first, and then makes us ready for convergence. When we first started wiring, we followed the diagram, and there was no order at all, so the connected lines looked like cobwebs. It's ridiculous to think about it now.
Because of the electrician class, we learned a lot of common sense that we usually don't pay much attention to, such as the common sense of safe electricity use, the basic operation of electricians (how to connect wires) and electric lighting (mainly fluorescent lamps); There are also some commonly used low-voltage electrical appliances (referring to the wiring sequence, such as laying other wires before laying switch wires, AC contactors, relays, etc.). ); Use of travel switch; The structure and nameplate significance of the motor; Fault analysis and elimination of control circuit, etc. Well, in short, I feel that I have learned a lot. Four electricians personally realized the importance of holistic thinking. To lay a good board, we must have a holistic logical thinking. Pay attention to the spatial arrangement of various components when laying the board, and pay attention to the fact that the lines cannot cross each other when wiring.
Through this week's electronic and electrical training, we have also cultivated our bold, cautious and cautious work style. Because the first three trainings are completed by connecting daily low-voltage circuits, we should pay attention to the safety of electricity use, and we are not allowed to touch different parts of electrical components and rotating parts of motors with our hands. It also requires careful operation to avoid electric shock and accidental injury.
In the following training, an electric soldering iron was used, which also requires students to master the correct use of electric soldering iron money. Through this week-long visit to electrician training, I really learned a lot of knowledge and broadened my horizons.
Through this electrician training, I enhanced my hands-on operation ability. I remember when I was in high school, I helped to install a switch control circuit at home. Because of the do-it-yourself method, accidental injury was avoided. The ability is not strong enough, so the circuit is short-circuited. Fortunately, because the circuit was originally equipped with safety wires, there was no major safety accident.
Through this electrician training, I mastered the installation of fluorescent lamp circuit and learned the control methods of two incandescent lamps. I also learned some knowledge of low-voltage electrical appliances, and learned their specifications, models and usage methods. More importantly, I also learned the wiring and inspection methods of the circuit. Please keep the triple reading materials copied in 3lian.com/zl/..
Through this electrician training, we have also cultivated our standardized work style and team spirit of unity and cooperation.
Training is over.
Experience of single chip microcomputer internship
With the development of electronic technology, especially the appearance of large-scale integrated circuits, people's lives have undergone fundamental changes. If the appearance of microcomputer makes modern scientific research get a qualitative rush, then the appearance of programmable controller brings a new revolution to the field of modern industrial control and measurement. In modern society, temperature control is not only applied to factory production, but also its role is reflected in all aspects. This semester, we studied the course of single chip microcomputer, which is a bit difficult. I don't know how the whole learning process came about, but time waits for no one.
Time flies, in a blink of an eye, a semester has ended, and this semester's MCU internship project is also completed within one week. As the saying goes, "A good beginning is half the battle".
Speaking of this internship, I think the most important thing is to debug the program and seriously study the questions given by the teacher. Secondly, the teacher should listen carefully to the explanation of the experiment, because the product will get twice the result with half the effort only if everyone understands it. If you don't understand, you will be vague and finally get nothing. Finally, we should pay attention to the modularity of the program and the convenience of modification, but also pay attention to the debugging of the program and master its methods.
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