How to control the speed of data collection and data processing (assuming I use the UCOS2 system)? Do I need to use semaphores? Is it the data structure of data stacking and popping? And how do I know...
When I was reading a program, I saw a structure like this: typedef struct entry_str{ struct entry_str xdata *next; char text[33]; }entry; What I want to ask is: 1. Which one of entry_str and entry is ...
[img]http://p.blog.eeworld.net/images/p_blog_eeworld_net/lan120576664/EntryImages/20090917/QQ截图未姓名.gif[/img] As shown in the figure, the WIFI connection status cannot be displayed normally. Modifying ...
I ordered one with sharp LCD. Hehe, I placed the order on 8.8, but the estimated delivery date was 8.19. In order to facilitate approval, I wrote my work address. Now my wish is gone....
I set mclk to 8M external crystal oscillator, without frequency division, and the inversion of io should be a single-cycle instruction. The frequency of p1 should be 4Mhz, but I used an oscilloscope t...
[i=s] This post was last edited by I don't understand on 2015-10-12 14:51 [/i] [align=center][size=3]Sound and light alarm [/size] [/align] [size=3]I made a sound and light alarm composed of 555 [/siz...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
DSP and ARM Processors
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