Please help me, when I import the schematic diagram to PCB, sometimes there are too many components and they will exceed the display range. Then the components will be everywhere and some are hard to ...
Now when my system starts, the Bluetooth driver will be automatically loaded, but I want to load the Bluetooth driver btd.dll through the application instead of loading it when the system starts. How ...
Using small embedded devices centered on single-chip application systems to collect data and effectively transmit data through the network has become a research focus in the field of data acquisition....
[size=14px]I used TPS61086 to make a 5N to 12V boost circuit. The last stage is a touch circuit after the 12V boost. [/size] [size=14px] The current situation is as follows: [/size] [size=14px] The to...
Dear experts, please help me. I use MCU to control MC39I to dial CMNET. There is no problem in LCP negotiation, but every time I do PAP authentication, after sending the User and Password (both are em...
Bootloader - IAP UpgradeIntroductionTo learn and use Bluetooth, you need to understand IAP upgrade first, because Bluetooth is divided into boot and a. The boot program can be downloaded using keil. T...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
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]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[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]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
PCB Design
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