The economic crisis and the world recession. Where should we, the 2009 graduates, go? There are many different opinions. In short, the fact is: the employment situation of 2009 graduates is grim. Take...
[i=s]This post was last edited by mmmllb on 2014-7-3 10:03[/i]From the time when President Cai Yuanpei revitalized Peking University in 1921, Tsinghua University hired Wang Guowei, Liang Qichao, Zhao ...
I am a novice. When I look at the Zigbee packaged products, I see that the pins P0 port has 8, P1 port has 8, and P2 port has 5. Do these ports correspond to the P0, P1, and P2 ports of the embedded 8...
Hello teacher:After the program is written into the chip, the touch screen program is normal, but the peizhi() subroutine aa2 is garbled and cannot be added
Can't reduce. Please guide me, there is som...
I am testing the network port on the development board. The speed of installing the FTP client on the development board and the server on the PC is not ideal. Now I want to set up a server under ce. C...
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]
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]
As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[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]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
In the project, CPLD is needed to complete part of the algorithm design. The parameters are given by AVR, so the communication between AVR and CPLD needs to be completed. Therefore, a test program is...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]
The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[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]
PCB Design
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