Dear forum elder brothers and sisters, I am recently making a light with photosensitive control + PIR human body induction, powered by three AA batteries connected in series. Recently, I have encounte...
I want to ask if the current of the voltage-dividing optocoupler will be too small. I have simulated this circuit and manually soldered the board, and the results are consistent with the simulation re...
The analog chip is powered by positive and negative 15V, but it needs a Vlogic power supply. How should this Vlogic be handled? Because the digital ground and analog ground are separated, how should t...
[i=s]This post was last edited by Sur on 2013-12-23 10:20[/i] Let me first talk about the good things. The @ function has been added. Haha, I'll try it first@@Sur, the advanced mode is better than bef...
Dear brother, I have the same problem as you. After installing the Flash programming plug-in, when I used tools>Flash Programming to program, erase, programming, and verify were all successful, but th...
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]
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. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[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]
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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]