To reduce the ripple of the switching power supply, efforts should be made in the following three aspects:1. Energy storage inductor. The larger the Q value of the energy storage inductor at the opera...
I wrote a Bootloader program based on LPC2104 in the ADS environment. LPC2104 has an example program for IAP to erase FLASH, but there is a problem. It cannot erase FLASH. Whenever it is erased, it wi...
A program runs very smoothly when running in simulation, but it is not smooth after downloading to FLASH. I tested the IO port and found that the same code runs twice as slow when running in simulatio...
[align=left][size=3][color=#000]Like a humorous host, a huge cash prize and an active audience, a buzzer is an essential tool in a game competition show. However, in the competitions regularly held fo...
[font=微软雅黑][size=4][color=#000000]Toshiba Bluetooth chip course is now online, the explanation is meticulous and rigorous, and the course is rich and practical! [/color][/size][/font][font=微软雅黑][size=...
My system's external crystal is 25M, and I set RCLK = 96MHz HCLK = 24MHz. The STR9 function library has the parameter of HCLK=8M. When RCLK=96M, I cannot get HCLK=8M, so I need to adjust the CAN baud ...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
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]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]