I am using a MC37I GSM module. I operate through the serial port as follows: AT+CSQ +CSQ: 28,99 //Confirm that there is a signal AT+CREG=1 OK AT+COPS? +COPS: 0,0,"CHINA MOBILE" //Confirm that you have...
[i=s]This post was last edited by w494143467 on 2021-7-1 01:00[/i]1. Introduction
With a good design, how can we do without gorgeous packaging? I have learned some 3D modeling and design before, which...
PowerWorldonsemi and Avnet IoT Innovation Design Competition
The board has no problems now, and the basic test code runs, but the interrupt does not work. I enabled the interrupt of timer 1, configured the timer, and enabled the relevant bits of interrupt enabl...
TechnoConcepts, a provider of software-defined radio (SDR) technology, has filed 20 patents that it claims will protect its "linear commuting amplifier." According to the company, the linear commuting...
Hello everyone: I am a rookie who has just started learning. I have a question. I use a mega48 microcontroller to measure resistance (0.1 ohm with 999.9 ohm) using the double integration method. Set u...
Due to my personal interest and work needs, I am learning Opencv to do image and video processing. I want to ask if anyone in the forum knows about this. At the beginning, I felt I had no idea where t...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]