I was in Shanghai some time ago, and it happened to be the China Electronics Show, which was held at the end of October. When I was wandering around, I saw that Dingyang had a handheld oscilloscope on...
Today, when I was driving, I suddenly had an idea. How about making a mobile phone APP with a driving recorder? Many mobile phone cameras are much better than the cheap driving recorders sold on Taoba...
[size=5]Clock+Display+AD Sampling[/size] 1. A/D conversion pins are multiplexed with display pins. To ensure sampling accuracy, different time and different function controls are used. 2s-time display...
In the previous experiment ( https://bbs.eeworld.com.cn/thread-1181181-1-1.htm ), we tested the camera and display of the R329 development board. We can use cv2 to read the camera and modify the displ...
I encountered some problems in the process of using this chip, and I would like to ask experienced friends for advice. I use a 720-pole circular induction synchronizer as an angle sensor and want to u...
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[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]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]
High-definition video surveillance has developed rapidly in recent years, mainly to solve the problem of unclear "details" in normal monitoring. Some cities use high-definition television surveilla...[Details]
1 Introduction
The ball nut is the internal thread element of the ball screw pair. Its precision directly affects the transmission quality of the ball screw pair. Due to its advantages such as...[Details]