I will graduate in two months. During my postgraduate study, I got a lot of development boards. I probably won't touch them again. I sell them on the forum. Support E-coin transactions and keep updati...
pythoncoder In the micropython eeprom driver library, new support for PSRAM has been added.Multiple devices can share a single SPI bus to form a single logical RAM.
It is possible to use the RAM as a ...
Has anyone used vsc8201 for development? I can't find a way to set it for hardware filtering. I want to use it to receive all packets (including all packets in LAN). Now I set it to promisc, but it do...
I am a beginner in microcontrollers and have seen many C programs related to ds18b20. When reading and processing data, the last step is to multiply by ten and then round off. I don't know why. I hope...
[p=16, null, left][color=rgb(51, 51, 51)][font=Arial, Helvetica, sans-serif, 宋体][size=12px]I am familiar with simulation software such as INSpice, SPICE, Saber, and PSpice, but the huge database often...
I haven't been here for a long time, hello everyone. I was debugging something recently, and the boss said that I need to reserve memory for this driver. Previously, HalAllocateCommonBuffer dynamicall...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[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]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
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With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]