The board I use is DM642 from Hezhongda, and the development tool is CCS3.3. Recently, when I was debugging a jpeg_loopback program, I found that I could not add breakpoints in the middle of its funct...
I was exhausted this morning. I soldered 16 LEDs, but some of them were not lighting up. After debugging, I finally made all 16 of them light up. See the picture above...
How can I make S3C6410 run at 667 frequency under wince6? How to configure it? What should I modify in "S3C6410_SEC_V1\OAL\INC\soc_cfg.h"? When I adjust it to 666, it can't be compiled directly, and a...
After adding Word Viewer, there is a shortcut of Word Viewer on the desktop. How can I keep the function of Word Viewer and remove the shortcut of Word Viewer? How can I remove the shortcut of My Docu...
My friend collected the drawings and firmware from the Internet and used them when repairing MP3. I used this firmware to successfully repair two MP3s. It really works. I am not like some people who o...
PCI driver development communication. In order to better communicate with everyone about the problems encountered in the PCI driver development process in real time, I have established a group: 660367...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]