When debugging a program, you cannot use the command to insert data: db.execDML(L"INSERT INTO faultcode values('1','1','1')"); There is no error when compiling, but when running under the simulator, a...
[size=4] Building a complete Zigbee mesh network includes two steps: network initialization and node joining the network. Among them, node joining the network includes two steps: joining the network b...
[i=s]This post was last edited by 5之丹公英 on 2017-3-13 00:12[/i] Let's first share some history:victory: In 1939, when Hewlett-Packard was founded, it was engaged in electronic test equipment; computers...
I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti...
[size=2]Precautions for external interrupt application (original) This article is based on practical examples (Experimental tool website package C). There are three mid-end sources outside ATMEGA16, a...
Selling a LM3S9B92--C3 board or changing to another board. . Because I have a LM3S9B96 board.
QQ: 85625058 if needed. Note that the board does not have an LCD screen![[i]This post was last edited by c...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
Embedded System
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