Yesterday CDK was closed normally, but today when I open CDK, it has no response, and restarting the computer does not work. I am currently using: Win10Open the log to view:Click Close to view the log...
Hello everyone: I am using MC52I module now. After configuring the dialing, after ATD*99#, there is no data in the serial port, and NO carrier appears after a while. But when I send ATD*99# directly t...
ls /dev/ttyS*[/color][/font][color=#4f4f4f][font=-apple-system, "]The development board is connected to serial port ttyS2[/font][/color] Execute: [font=-apple-system, SF UI Text, Arial, PingFang SC, H...
[i=s]This post was last edited by maychang on 2016-3-19 08:59[/i] 1. The difference between the neutral wire and the ground wire The neutral wire is grounded at the power supply end (power plant, subs...
Hello, everyone:I have a question for you: I am developing in C language in DSPc2000. There are 7 cases in my switch statement. After compiling, I loaded it into DSP. When I used MIX mode to view it, ...
I am a 51 MCU beginner . After writing a program with Keil , I need to solve the following problems when debugging: 1. Some lines in the program can only be broken if there is a gray line in front of ...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
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