DS3231 is a low-cost, high-precision I2C interface RTC chip. It has a built-in high-precision TXCO crystal (temperature-compensated crystal, ±2ppm at 0°C - +40°C, ±3.5ppm at -40°C - +85°C, the accurac...
I originally planned to start writing from the kernel, then the network, file system, GUI, etc., but I found that I was writing too slowly. I didn't know when I could write about the network at this s...
The in-vehicle mobile multimedia system refers to a multimedia system that is embedded and installed in the mobile environment of the car. It mainly includes in-vehicle navigation system, driving reco...
I have been using 51. Recently, I bought a STM32F103VB mini development board and a JLink when I was shopping online. I don't know where to start learning this thing. Which teacher can give me some ad...
This is my first time doing this. Can anyone with experience tell me some things to note? Question A of the College Student Electronic Design Competition: Quadcopter 1. Task Design and build a quadcop...
[align=left][size=12px]My situation is as follows: [/size][/align][align=left][size=12px]The device I made is a recorder with wifi function. [/size][/align][align=left][size=12px]The workflow is: Reco...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[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]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[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]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]