Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 20.000MHz ±30ppm at 25°C ±50ppm over 0°C to +70°C 20pF Parallel Resonant
Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 20.000MHz ±30ppm at 25°C ±50ppm over 0°C to +70°C 20pF Parallel Resonant
Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 20.000MHz ±30ppm at 25°C ±50ppm over 0°C to +70°C 20pF Parallel Resonant
Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 20.000MHz ±30ppm at 25°C ±50ppm over 0°C to +70°C 20pF Parallel Resonant
[u]Author: Li Xuehai, Sun Qunzhong, Li Congcong Source: Single-chip microcomputer and embedded system application [/u] This article takes the classic 80C51 single-chip microcomputer as an example, and...
3. C language basics, naming rules and good habits 1. C language basics Only a few difficult to understand ones are selected for explanation here: 1. struct: Declare structure variables, which is to c...
I want to use VB and database combined with the lower-level microcontroller to make a data acquisition system, but due to hardware reasons, it is not convenient to solder the board for debugging. I ne...
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
This series of articles aims to help readers have a brief understanding of the Hongke KPA Automation system and to quickly get started with MoDK, including: an introduction to Hongke KPA Automation...[Details]
Since entering the electronic components industry, I've learned that electronic components come in different packaging types. Some people have argued that different types of components may look the...[Details]
The electric motor is one of the most widely used power equipment and plays a vital role in the national economy. However, its high failure rate causes huge economic losses to industrial and agricu...[Details]