I would like to ask you, is it normal for the secondary output voltage ground of the flyback power supply to have a voltage of several tens of volts compared to the chassis? Is there any way to lower ...
A 4mm brushless motor is used in the design of a small robot. The main parameters are shown in the figure. The driver chips I have seen so far are all for motors of several watts. There is no similar ...
Organizing committees of each competition area and relevant colleges and universities:
The organizing committee of the National Undergraduate Electronic Design Competition (hereinafter referred to as ...
I have a power management chip, the silk screen on it is DE=NOT, the package is SOT23-5, please help me take a look, thank you[/size][/font][/color]...
This is a boost circuit, which outputs DC high voltage at R4 and R5. 1. Is this circuit wrong? 2. What is the use of R3 in the figure? 3. Is this D2 diode wrong? Please help me, thank you!...
Recently, due to project reasons, I used TI's MSP430F149 microcontroller. During the use, I encountered some problems with power consumption. This article is used as a record.
Problem description: Aft...
With the rapid development of information technology, high-capacity storage chips are increasingly developing towards large capacity and small size, among which SD cards and Micro SD cards are prom...[Details]
The three commonly used isolation technologies are photoelectric isolation, electromagnetic isolation and capacitive isolation. The three usually cannot achieve the best in terms of power consumpti...[Details]
Welcome to use the high-quality professional test instrument ET3000 double clamp multifunctional ground resistance tester, which is used to measure the ground resistance and evaluate the ground quali...[Details]
The pesticide residue tester is designed according to the national standard method and the requirements of the World Health Organization WHO, the Food and Agriculture Organization FAO pesticide resi...[Details]
1 Interrupt Introduction
In our daily life, we often encounter such a situation: we are reading a book, and suddenly the phone in the living room rings. At this time, we often stop reading, an...[Details]
Toyota released the new hydrogen fuel cell car "Mirai" in Tokyo at 10:00 am Japan Standard Time. As Toyota's first mass-produced hydrogen fuel cell model, it has attracted much attention since th...[Details]
We understand the so-called intelligent robot in a broad sense. The most profound impression it gives people is that it is a unique "living thing" that can control itself. In fact, the main organs of ...[Details]
Recently, Volkswagen CEO expressed his love for the Chinese market in an interview. Recently, Herbert Diess, CEO of Volkswagen Group, said in an interview with the media that "the group's comprehen...[Details]
Chips (such as 2440, 6410, 210, etc.) contain ARM cores.
The instruction structure is related to the ARM core:
ARM9 corresponds to the instruction architecture version ARMV4
AR...[Details]
Direct digital synthesizer is a new frequency synthesis technology using digital technology. It generates signals of various frequencies by controlling the step size of frequency and phase ...[Details]
1 Introduction
When doing embedded development, the most commonly used tools for debugging development boards are serial ports and network ports. This article mainly introduces how to install ...[Details]
PIC series microcontrollers can work in different oscillator modes. Users can choose one of the following four oscillation modes according to the needs of their system design. The oscillation frequ...[Details]
In October, according to incomplete statistics, there were 29 financing events related to the autonomous driving industry announced at home and abroad, with a cumulative announcement amount of more t...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
With the development of 3G technology, the system capacity is constantly increasing, and the linearity requirements of the system are getting higher and higher. As the main nonlinear unit of the commu...[Details]