The DC output of the Agilent digital power supply is 20V 2.5A. When the circuit is open, it is adjusted to 20V. After the circuit is connected, it becomes 2V. What is the reason?...
[i=s]This post was last edited by shinykongcn on 2018-6-8 11:19[/i]This CPU model is limited to 50k units. 8086 units will be randomly given to participants. 6c12t, main frequency 2.2GHz, turbo freque...
The things about Guo Tianxiang's team are very funny. I discovered it by accident. I ate it as kimchi late at night. Click on the blog link: http://xgc94418297.blog.163.com/blog/static/112966040201101...
Using a simple three-wire serial port, there is no flow control, no data ready, and no terminal ready! How can I solve the following problem: SIM300C and the server send data at the same time, and the...
The environment is evc++ SP4. I want to use one sentence plus a variable to do the parameters in afxmessage. For example, I bought 5 books, and the 5 here is variable. I tried several ways and none of...
[b]A text message was sent by mistake. . It became a group message[/b] I was in a bad mood these past few days. I was bored at home at night, so I sent a text message to one of my ex-girlfriends. The ...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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]
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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[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]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Power technology
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