I would like to ask about the bidirectional transmission of STM32 GOIO pins!Now the pin PD0-7 is used. Data needs to be transmitted bidirectionally, that is, it can receive data and send data to the o...
When I was learning about drawing boards, I designed a small learning board for STC5410AD. But later, the teacher wanted to make this board. When the manufacturer made it, a problem occurred during th...
Hello everyone, the output end of the transformer in the figure, after rectification by V5, the voltage is about 26VDC. Among them, E5 and G5 are the g and e ends of an IGBT BSM200GA120DN2C. V502 is a...
This book focuses on the TMS320VC55x series of high-performance, low-power DSPs . It mainly introduces the hardware structure and on-chip peripherals of real-time digital signal processors with digita...
1. System design requirements Assume that the external input pulse is 1 Hz. It is required to design a digital clock with adjustable time using this frequency and capable of displaying hours, minutes ...
[size=4]I got to use the sharp 96 screen in the previous competition. This time I can take advantage of the forum activity to buy one [/size]:lol:lol [size=4]. The main reason is that there is no low-...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]