-
Today we will look at the speed control circuit of the DC motor. The principle is very simple. Different speeds can be achieved by connecting different resistors in series.
The circuit i...[Details]
-
Phase shift and implementation method between two signals of the same frequency
The so-called phase shift refers to two signals of the same frequency, one of which is used as a reference, and...[Details]
-
May 16 news Mitsubishi Electric and Here are working on a new car V2V system: Lane Hazard Warning System. The system has been successfully tested twice in Japan and Southern California, USA. Mitsub...[Details]
-
NetEase Mobile News, April 24, 2022, players who pursue gaming experience must be familiar with OPPO's K series. With the K series of popular new products created for many consecutive years, it has...[Details]
-
Table of contents Part 1. Current Status of Smart Cockpit Development Part 2. Product form and technological evolution path of smart cockpit Preface The development history of the smart co...[Details]
-
In the next few years, organic light-emitting diodes (OLED) will undoubtedly break through the current main application field of mobile phone secondary screens. Research from DisplayBank, a Korean ...[Details]
-
Currently, the most effective ways to improve the shooting quality of digital cameras are to improve the optical structure of the lens and increase the size of the photosensitive element. Howev...[Details]
-
According to Reuters on November 24, Samsung Electronics chose Tyler, Texas as the site for its new factory, which will cost $17 billion. Samsung said in a statement that the plant, which will crea...[Details]
-
A few years ago, designing application-specific integrated circuits (ASICs) was still the work of a few integrated circuit design engineers. With the continuous improvement of silicon integration, ...[Details]
-
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
-
The DC resistance tester is controlled by a single chip microcomputer, with a large screen Chinese character LCD display and a print output function (and 232 interface). The eight gears of the instru...[Details]
-
Recently, the Intelligence Institute of China Automotive Technology and Research Center Co., Ltd. and the Intellectual Property Branch of the China Society of Automotive Engineers jointly released ...[Details]
-
After more than 20 years of development, the Internet of Things industry is entering a period of rapid development. As the world's most widely used local area network connection communication protoco...[Details]
-
The industrial bimetallic thermometer has protective tubes, joints, locking bolts, etc. made of 1Cr18Ni9Ti. The case is made of aluminum plate stretched and processed by cutting and black electrophor...[Details]
-
Humans’ discovery and use of fire and the application of light are perhaps the most fundamental scientific and technological advances. Two million years later, we are looking forward to LED solid...[Details]