Hello everyone, we are a new startup company and we need to use Bluetooth module in our products. What we are worried about is whether it is necessary to apply for Bluetooth SIG and company identifier...
[size=4]I looked at the official code today. I modified it a little bit. You can see the retrieved HTML data through the window.[/size] [size=4] [/size] [size=4]But I found that it takes 2s-3s to wait...
Dear experts, I have found the following problem and I am puzzled. I hope you experts can answer it: 1. I directly connected ADSL modem under WinCE, and pppoe dial-up was successful, but I just couldn...
Hi everyone, I am a little confused about the USB architecture: What is the relationship between the USB host controller and the USB root hub? I always feel like they are talking about the same thing....
Let me give you the source program first, to ensure it’s correct! ! ! {:1_138:} #include
#include
#define uchar unsigned char #define uint unsigned int sbit lcd_rs=P2^2; sbit lcd_rw=P2^1; sbit lcd_en=...
[i=s]This post was last edited by damiaa on 2017-7-19 21:23[/i] :) Let's play thread together [size=2]It's just the beginning, so I only know a little bit. Haha. [/size] [size=2]1. Look at this pictur...
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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[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]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[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]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Mobile and portable
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