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...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
Test/Measurement
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