[i=s]This post was last edited by Jacktang on 2020-11-4 07:41[/i]Experimental resultsAfter installing the HC-PDA-ANDROID.apk software on the phone, the system is turned on. The phone can search for th...
1. Before testing, you need to understand the working principle of the integrated circuit and its related circuits. Before checking and repairing the integrated circuit, you must first be familiar wit...
Why when I use MDK and ULINK ME to download the program, the following error message appears: Error: Flash Download failed-Target DLL has been cancelled.[img]1[/img]
Urgent help, if anyone knows pleas...
1. Does anyone know that the Linux kernel in the virtual machine is 2.4, and the system on the ARM9 learning board is 2.6. So can the compiled file be executed on the development board? 2. Kernel tran...
Recently our company has a plan to use an encryption chip. I heard that the encryption chip ESPU0808 is good. I also saw their company at the last IC exhibition in Shenzhen. Has anyone used this chip?...
I use CpuTimer0 to sample 256 points, AD works in cascade mode, the input signal is in channel 1, the input is a sine wave, the sampled data are all the same, what is the problem, which god can help m...
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
The dual-field-of-view infrared optical system can simultaneously provide two images with different magnifications and fields of view. The large field of view in the system has a lower resolution a...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
1 Introduction
Motion controllers are core motion control components commonly used in mechatronic equipment such as CNC machine tools and robots. Modern CNC technology has put forward higher a...[Details]
1 Introduction
Heat flow, also known as heat flux density, refers to the amount of heat (vector) transferred per unit area per unit time. Its characterization is the amount of heat transfe...[Details]
1. Learn Linux
According to what I learned from the forum, I chose to learn embedded Linux. It just so happened that our school also attaches great importance to embedded Linux. From the labor...[Details]
introduction
VxWorks is a modular, high-performance, real-time multitasking operating system designed by Wind River Corporation of the United States for embedded processors. Embedded softw...[Details]
0Introduction
As a major component of intelligent transportation, vehicle navigation and positioning has become a recent research hotspot . As the global positioning system (GPS) has been ...[Details]
Wireless Connectivity
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