1. Introduction to Embedded Qt
Qt is a cross-platform application development framework. To develop an application using Qt, you only need to write a set of code, and then compile this code in the Qt ...
[i=s]This post was last edited by lingking on 2018-12-10 15:46[/i] As shown in the figure, the general function of this circuit is that the LED is lit after the system is powered on, indicating that t...
[i=s]This post was last edited by qwqwqw2088 on 2019-8-4 22:06[/i]This year's equipment list for the electric competition suddenly showed an "oscilloscope with Z-axis input terminal (100MHz)". What th...
I would like to ask, does anyone know how the formula circled in red in the following "Circuit Design Based on Operational Amplifier Circuits and Analog Integrated Circuits" is derived?...
This article mainly wants to test three clocks: an external clock HSE, an internal clock HSI and a SYSTEM CLOCK .The PA.8 pin of STM32 has a multiplexing function - clock output (MCO), which can outpu...
1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]
On February 26, Hengdian Dongmei released the company's full-year performance report for 2020. During the reporting period, Hengdian Dongmei achieved operating income of 8.101 billion yuan, an increa...[Details]
China Energy Storage Network News:
By Li Sitao, Institute of Accounting and Auditing, State Grid Energy Research Institute
In October, the National Development and Reform Commission issu...[Details]
1 Introduction
Virtual medical instruments make full use of the rich software and hardware resources of computers. Only a small number of special software and hardware modules are added to...[Details]
The grounding resistance meter, also known as the grounding shake meter, is a portable instrument used to measure the grounding resistance value of various electrical equipment grounding devices. It ...[Details]
According to Jiwei.com, the market has recently reported that in order to further restrict the development of China's semiconductor industry, the Biden administration is considering including immersi...[Details]
AGFA-GevaertNV of Belgium, Philips Research of the Netherlands, Holst Centre of the Netherlands, IMEC of Belgium and TNO of the Netherlands announced that they have produced a 12cm square flexible ...[Details]
On May 21, according to DigiTimes, TSMC announced that it has begun using its InFO_SoW technology to produce Tesla Dojo AI training modules, with the goal of increasing computing power 40 times by ...[Details]
CEO manufactures a series of high
power
QCW array products. These products use thermal expansion coefficient matching heat sink technology and hard packaging technology to maximize the ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
SCI interface circuit
The chip used in the SCI interface circuit is MAX232, which can convert the +5V voltage used by the microcontroller into +12V for use in the "Hanwang" handwri...[Details]
Operation Code Condition code mnemonics Logo meaning 0000 EQ Z=1 equal 0001 NE (Not Equal) Z=0 not equal 0010 CS/HS (Carry Set/High or Same) C=1 Unsigned greater than or equal to ...[Details]
As of December 20, the public charging capacity of State Grid Shanghai Electric Power Company in 2023 reached 100,145,600 kWh, an increase of 81% year-on-year, breaking through 100 million kWh for ...[Details]
With the development of the automobile industry, in-vehicle displays have also undergone rounds of changes, from the initial mechanical instrument panels and electronic LCD screens to today's centr...[Details]
As the name implies, non-contact temperature sensors are sensors that can measure temperature without direct contact with the object being measured. This type of sensor is widely used in industry, ...[Details]