[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...
Project funding: 200-500 yuan
The serial port communication requirements between the instrument and the computer are as follows: (1) The sending and receiving are all discrete components, infrared sen...
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]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[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]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Real-time operating system RTOS
京公网安备 11010802033920号
EEWORLD
