Using ISA bus to realize soft configuration of DSP chip VC5402 Abstract: With PC as the host, the ISA bus of PC is connected to the HPI host parallel port of DSP as the transmission channel to realize...
After flashing the program to Flash, after restarting, when the program ran to the ADC_cal(); statement in ADC initialization, the program ran away. After shielding this sentence, it was re-burned int...
I use 149 single chip microcomputer and DAC5571 to synthesize sine wave, and use the table lookup method to synthesize, but I find that the output frequency is generally only a few hundred Hz at most,...
It's been a long time since I got the board, but I haven't started to play with it. I used to be a loyal fan of atmel, from 51 MCU, arm7 (s64), arm9 (9200,9260, etc.), it can be said that my technical...
[img]https://bbs.eeworld.com.cn/attachments/month_1211/20121112rjwveaftbmsenzcz.png[/img] Sadly, I found that the wrong result cannot be modified. As a result, one wrong result means 80 points. Okay, ...
I'm making an electronic keyboard recently, using a 51 chip, but I can't tune the corresponding tone. Please help me, is there a problem with the circuit or the program? My idea is to generate a squar...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]