I have a question, and I hope that friends from eeworld can help me. My job is to do embedded development, and I am a novice among novices. My main job now is to upgrade the Solaris system from 32-bit...
[size=14px]The interface I want to display is as shown above. First, a large form is displayed. Click the query button, and a small form pops up. Now the large form is displayed. Click the query butto...
In 2007, I went to a small company for an interview with two years of work experience. After the written test, the other party was very impressed with me. But at that time, he said: "I need to hire so...
I just checked the data sheet of stm32101c8, on page 13, there is a sentenceTranslate:VSSA, VDDA = 2.0 to 3.6 V: External analog power is provided to ADC, reset module, RCS and PLL (when using VDC, th...
Our company is looking for a Bluetooth development engineer for Linux. The company is located near Zhongshan Park in Shanghai. Salary: 10,000 RMB/month. Job requirements: 1. Proficient in LINUX system...
In the 21st century, the integrated wiring system has entered an era of Category 6 UTP with a transmission rate of gigabit and an era of optical cable with a transmission rate of 10 gigabits. Especial...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[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]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]