I have already written two functions to submit by pressing "ENTER" and cancel by pressing "ESC". They are set in the KeyDown or KeyPress event of the form but they don't work. How can I do this?...
[Event Details] Prize-giving Event | NI helps you design a more reliable data acquisition system[Event time] From now until March 31, 2021[How to participate]1. Click the " I want to participate " but...
Winbile and Microsoft MVP Department cooperate to recommend --- Microsoft Most Valuable Professional (MVP) The honorary title of Microsoft MVP-Most Valuable Professional, which is certified globally. ...
As shown in the figure below, what is the role of the 2.7ohm R2 in the red circle? LM3352 is a DC-DC converter. Why does the output DC voltage need to pass through such a small resistor before being s...
MSP430 can choose to use up to 3 oscillators depending on the model. We can choose the appropriate oscillation frequency according to the needs, and can turn off the oscillator at any time when not ne...
[color=#000]For an oscilloscope, there are two functions to design, one is acquisition and the other is display. At first, I wanted to use SPI to connect to a display screen, but it seemed a bit diffi...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[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]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]