I remember seeing in a post that if the board is copper-clad, there is no need to lay GND, it will be automatically covered. Is this true? Or did I read it wrong?...
Simple open source car robot sensor design(This design is the first step in the open source robot development roadmap, and there is almost no technical difficulty. It is only to coordinate the divisio...
The official ST data sheet provides the formulas for calculating the various timing parameters of FSMC. The following formula seems to be incorrect. I hope experts can give me some advice. Thank you v...
I've been trying to adjust the 2812 external SPI memory 25fl064, but it doesn't work. It's urgent. I beg you, I really beg you to help me, a rookie! I just want to read the memory ID, but it doesn't w...
I often see newly registered users posting a lot of illegal ads at once. I wonder how they deal with it now? I see some forums restricting new users from posting. For example, new users have to go thr...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[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 (GP...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
For a long time, hackers have not had the opportunity to enter the control network of the car. But since the advent of Bluetooth technology and the use of wireless LAN bus systems, this situation w...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]
The circuit shown in Figure 1 provides programming voltage for an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a universal power supp...[Details]