Hey experts, can you help me solve a small question? Thank you! I found a small problem with the timer interrupt today. When the timer interrupt time is up, it enters the interrupt and then runs the i...
[i=s]This post was last edited by okhxyyo on 2015-9-29 13:18[/i] [b][color=rgb(0, 0, 0)][url=http://m.blog.csdn.net/blog/kevinhg/12080751#][Repost]Detailed explanation of analog ground and digital gro...
Many friends in the forum have launchpads, and they must have noticed a problem: GPIO16/32 and GPIO17/33 are connected together, which is inconvenient to use.In fact, I noticed this problem a long tim...
MCU: MSP430G2553Crystal: KDS 12P 32.768KProblem: It runs normally during programming, but the frequency deviation is very serious after running for a period of time. The frequency after the deviation ...
I have been studying the OP calculation problem recently, please give me some advice: The main indicators of the low-power operational amplifier LF441 are: Project unit Input offset voltage μV 7500 In...
[align=left]As the first domestically developed PCB design software, Qingyuefeng, is it valuable? Can it meet the design requirements of PCB? It has always been a topic of concern. [/font][/align] [al...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[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]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[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]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[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]
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]