Error vector analysis is a method of quantitatively representing the performance of a transmitter or receiver using amplitude error and phase error. By using a vector signal analyzer with error vector...
I recently soldered a LIS25BA module. When connected to the STM32, the IIC was configured according to the normal address and did not work. I'd like to ask what's going on. By the way, can I directly ...
[List Announced]According to everyone's responses, the netizens who received the blood oximeter are:
@ yichun417
@ddllxxrrPlease confirm your personal information in the forum before April 3 and reply...
I am testing VGA now, and the situation is as follows: Monitor A: can display normally, but there are water ripples. Monitor B: keeps displaying, black screen, displaying, black screen... and so on. M...
The code is as follows
In the file main.c
white(1)
{a();
}
In the file bcvoid a()
{. . . . .// No call related to b function
}
void b()
{. . . . .// There is no call related to function a
}The problem...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]
When selecting EMC test equipment, we often encounter the following questions: What is the difference between an EMI receiver and a spectrum analyzer? Why should a receiver be used for EMI testing?...[Details]