I have been debugging SPI-FLASH devices recently, so I'll record it. SPI--Serial Peripheral Interface, SPI usually has three signals: SCK clock, STB chip select, and DATA data signal. I2C usually has ...
My environment is S3C2440 + WinCE 5.0 + VNUWCL5 (VIA wireless network card) and driver PB5.0 patch: WinCEPB50-091231-Product-Update-Rollup-Armv4I.msi. An error occurred when obtaining wireless network...
I am currently looking at the driver code for SAMSUN's 2440CAMERA interface, and plan to use OV9650 as the camera. I would also like to ask about the CAM code. I have always been confused about temp =...
Brother Allegro's teaching videos are here~~ All 72 videos, I asked the guy for them, but he seems to use them to make money. The last 51 to 72 videos require a password, and I don't have the password...
At first I wanted to use it to make a thermometer and hygrometer, and then I bought the Xiaomi one.
Later, I wanted to use it in combination with MLX90614 to make an infrared thermometer, and then I h...
: [size=18px][color=#333333][backcolor=transparent][font=微软雅黑]I made my own compiler the day before yesterday, set up the environment yesterday, and started to study the uboot transplantation today. W...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[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]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[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]