A friend recently gave me a set of [American Classics] series textbooks. I read a little bit and felt it was okay, so I uploaded it to share with you. All of them are free to download. Friends who nee...
/** Copyright (c)...* All rights reserved.** File name: main.c* File identifier: NO* Hardware description: P1.3 on the development board is connected to the button, and P1.0 is connected to the LED (c...
1. (Positioning) When we develop a street lamp, we must first have a positioning (develop a lamp condition table, such as the general structure of the lamp, electrical performance indicators, emission...
I just learned MCU and want to use Hall sensor 41F (switch type) to measure the motor speed for future preparation. My hardware is fine, now let's talk about the program. I connect the signal output t...
My WINCE device can now be recognized as a USB flash drive. There is another problem. When I plug in the USB cable, the drive letter of the NAND FLASH on WINCE disappears, and the drive letter of the ...
Have you ever done gprsdtu? When I use sim900a for TCP transmission, I feel that the speed is very slow. I use AT+CIPSEND, wait for send ok after sending, and then send the next one. But the waiting p...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
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]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[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]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[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]
Analog electronics
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