I need answers for my senior year graduation project. I currently have an ARM9 2440 board and want to find a fingerprint collection device that matches it. I don't know what kind of fingerprint collec...
My isd1790 is connected according to the instructions but it does not work properly and the LED is flashing. Why? Can an expert please tell me? [img]http://download.ourdev.cn/bbs_upload489681/files_23...
After reading the article "LM3S8962 controls hardware operation through webpage" posted by jiao430, I think most people still don't know why this happens. jiao430 has posted his software package for e...
First of all, a senior programmer cannot be trained by reading a few books and writing tens of thousands of lines of code. I am more concerned about the low-level environment, that is, the actual work...
[color=rgb(0, 0, 0)][color=rgb(68, 68, 68)][backcolor=rgb(255, 255, 255)][color=rgb(68, 68, 68)][backcolor=rgb(255, 255, 255)] The configuration of whether the port is pulled up in the InitGpio() func...
I use ir2104 to amplify the pwm voltage to 10V, and drive the mosfette irf540n, but when the voltage provided to the boost is 2v, the voltage regulator will stabilize the current. The circuit is a lar...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Embedded System
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