Using the development board of Yangchuang Package 2, using serial port 1 under Linux, debugging sim300, 2440 and sim300 through three-wire connection (txd, rdx staggered docking) a block can start nor...
It is a DC carrier. When communicating , the positive voltage is 32V at high level and 10V at low level. When not communicating, the voltage is 32V. A wide pulse represents 1 and a narrow pulse repres...
[i=s]This post was last edited by dcexpert on 2016-8-9 21:26[/i] Windows driver for CH340 chip. This domestic chip is used in many USB-to-serial converters. The ESP8266 version of MicroPython also use...
The importance of UART in embedded software development is self-evident; I have debugged the serial port of TI BLE protocol stack before, and I remember making a simple document record at that time to...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
introduction
With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
introduction
With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
0 Introduction
With the improvement of the automation level of industrial production in my country, more and more equipment needs to be monitored, operated and maintained in the field....[Details]
Linux and Android
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