I just graduated this year and applied for a job in a company that said it was doing driver development. However, the department I applied for was the software department, not the driver department, a...
The keyboard uses interrupt mode, but after I press the keyboard, the program does not respond. When tracking, there is the keyboard value.In the P1 keyboard interrupt, first determine the keyboard va...
After drawing the schematic, click create netlist under tools. The generated netlist results in an error. Click OK and the PCB design GXL software will...
[i=s]This post was last edited by kejoy on 2014-10-3 22:33[/i] [postbg]1.jpg[/postbg] The problem of downloading hex files from R7F0C802 was actually mentioned in an early post: [url=https://bbs.eewor...
After staying up all night to debug the code for the challenge, I reviewed some of the pitfalls I encountered {:1_98:} [b]1. After BlueNRG-1 enters Sleep or Standby mode, wakeup starts from the Reset_...
[font=微软雅黑][size=3]The college entrance examination is over. I wish all the candidates: success! The rest of my wishes are in the picture! :pleased:[color=#0000ff] [/color] [b][color=#0000ff]Which yea...
Entering the information age after the millennium, the huge demand for semiconductor chips has made China the world's largest semiconductor market. According to relevant data, the scale of my count...[Details]
On April 20, Alibaba Group announced that it would acquire
the
chip
company Zhongtian Microelectronics and invest in six
chip
companies. Yesterday, JD.com CEO Liu Qiangdong said in a...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
A few days ago, Hanergy Chairman Li held a grand launch of Hanwa new products, which once again attracted the attention of the mass media to the development of photovoltaics. The unique Hanergy has gr...[Details]
Unlike three years ago, today's
artificial intelligence
is no longer just a floating concept, and the venture capital circle has begun to explore the various possibilities of this technolog...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
Please help me analyze the clock cycles occupied by the following delay program. Seek to explain: DELAY: MOV R6, #13 DELAY1: MOV R5, #250 DELAY2: NOP DJNZ R5, DELAY2 DJNZ R6, DEL...[Details]
Recently, the National Development and Reform Commission announced that all foreign equity restrictions in the automobile industry will be lifted in the next five years. At the same time, as subsid...[Details]
In 2014, the production and sales of new energy vehicles in China exceeded 80,000 units, and the development trend is encouraging. In order to enable new energy enthusiasts and junior R&D personnel t...[Details]
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