I used the UT-6410 development board from Youjian, the Linux kernel version was 2.6.28, and the LCD was 7 inches. I used the MFC test program that comes with Youjian (they do not provide source code) ...
A few days ago, I wanted to use external interrupts, using level triggering (this can add button debounce, but edge triggering doesn't work), but when I debugged the program, I found that the external...
For example, the commercial housing sold in the community was not equipped with an electricity meter. Later, they had to pay for the installation of the electricity meter. I paid the electrician more ...
Now I have a very difficult problem (for me). I originally had a USB hardware (industrial camera) and its driver, and a software (VC++ image processing) that can be developed to connect and use with t...
Node, gateway & cloud. [b]Nodes,[/b] devices used to collect information or control things, typically include processors, sensors, connectivity, power management and some analog signal chain. The sele...
Now configure the power-on sequence of the NCN6001 chip as follows: WrSPICmdOne(0xa5); WrSPICmdOne(0x83); DelayMS(1); WrSPICmdOne(0x87); DelayMS(6); WrSPICmdOne(0x97); After this configuration, the IC...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]