In the process of making circuit boards, ink is needed to be printed on the solder mask and text to meet the functional requirements of the circuit boards. Let's first introduce the brands of commonly...
First of all, I would like to thank the forum platform for providing us with such good resources. I haven't participated in forum activities for a long time. This time I happened to be making a small ...
Sensor nodes are required to work for a long time. Frequent replacement of batteries is time-consuming, laborious, and impractical in many situations. They cannot be charged as frequently as portable ...
The animation explains the working principles of various motors in detail, including: three-phase induction motor, servo motor, single-phase induction motor, variable frequency drive working principle...
Research Analysis:A total of 30 questionnaires were received , and 22 valid questionnaires were answered as required .From the age distribution point of view:35-40 years old : 4 people; 30-35 years ol...
Recently, Qorvo announced the launch of a new generation of multi-time programmable power management IC (PMIC), which is optimized for high performance and compact design. Everyone knows that Qorvo's ...
According to Jiwei.com, on the last day of 2020, Realme Vice President, President of China, and President of Global Marketing Xu Qi announced Realme's first small goal for 2021: Realme's domestic sal...[Details]
LED driver power is a voltage converter that converts power supply into a specific voltage and current to drive LEDs to emit light. Usually: The input of LED driver power includes high-volt...[Details]
Recently, foreign media reported that Mercedes-Benz is developing biodegradable organic batteries and plans to use them in future new energy vehicles. However, it will take at least 15 years for such...[Details]
5.3 Human-machine interface unit circuit
In order to facilitate the expansion of the system and meet the needs of human-computer interaction, this design provides an LCD display interface, keyboa...[Details]
As the speed of in-vehicle interfaces increases and the demand increases, PoC (power over coaxial cable) is developing in systems such as in-vehicle cameras that transmit signals using LVDS. To separ...[Details]
A feedback control system that uses temperature as the controlled quantity. In the physical processes and chemical reactions of production processes such as chemical, petroleum, and metallurgy, tem...[Details]
1 Overview
Alumina powder is one of the important chemical materials used in the manufacture of color picture tubes. The presence of carbon and sulfur in the material has a great influen...[Details]
Experimental requirements:
The internal timer 0 of AT89S52 works in mode 1, that is, it is used as a 16-bit timer and T1 overflows and interrupts once every 0.05 seconds. P1.0~P1.8 of P1 port are con...[Details]
At present, the protection of high-voltage motors in my country mainly includes electromechanical and integrated circuits, but both have many drawbacks and cannot protect motors well. Among them,...[Details]
introduction
Electromagnetic compatibility (EMC) refers to the ability of a device or system to work in its electromagnetic environment and not cause unbearable electromagnetic disturbance to ...[Details]
The parameter commonly used in communication engineering to describe signal phase distortion - group delay (also called envelope delay) is defined as: the slope of the characteristic phase shift of...[Details]
Introduction
If you tell portable electronics designers that there is a low-power digital device that allows them
to reconfigure hardware operations
using
a software program,...[Details]
The PDF417 barcode is a high-density, high-information-content portable data file. It is an ideal means to automatically store and carry large-capacity, high-reliability information such as certifi...[Details]
The DC system is mainly composed of two parts. One part is the battery panel and the other part is the DC charging panel (DC panel). The battery panel is a cabinet (800×600×2260) that can hold mul...[Details]
Actual peripheral circuit diagram of 1000W full-bridge soft-switching power supply IC phase-shift control system composed of UC3875, etc.
Figure 1000W full-bridge soft-switching power supply IC ...[Details]
PCB Design
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