[i=s]This post was last edited by qwqwqw2088 on 2020-4-10 09:26[/i]The requirements are as follows:
1. If there is an external power supply, use it first, and try not to use battery power.
2. External...
When eating out, waste oil is a problem that is difficult to prevent. It is difficult for us to know whether a restaurant uses waste oil. Using DLP's high-precision spectrum detection, combined with o...
1. The copper foil and green paint are getting thinner and thinner; the quality is not good. 2. The general invoice in the component mall is +15 points, which is higher than the special invoice. 3. Wh...
Hi everyone, I recently encountered a problem when adjusting the communication between 430 and rs485. I adjusted it for a long time but it didn't work. The computer sent data to RXBUF0 of USART0 of 43...
Currently considering Dingyang SDS1104X-E and Puyuan DS1104Z, forum friends who have used them can give me some suggestions. PS: For personal use, limited budget...
[size=4][color=#000000][backcolor=white] Ethernet connection: Local connection only appears in Microsoft Windows XP/7 operating system. In Windows 8/8.1 system, local connection is renamed "Ethernet"....
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]