-
According to the China Central Radio and Television Economic Voice "World Finance" report, the Standing Committee of the Political Bureau of the CPC Central Committee pointed out at a meeting that ...[Details]
-
74HC595 is an 8-bit serial shift register, which can also output serially to control the next cascade chip. I will not introduce the details of cascade and 595 chip, you can check it yourself!
This p...[Details]
-
Currently, the use of voice verification is increasing, and call centers not only save time (and costs), but also provide a better experience for customers and improve security. According to a surv...[Details]
-
The configuration of a working fruit powered AVR microcontroller is as follows: Hardware: Mega88, 32KHz external crystal oscillator, 2x negative voltage circuit driven by AVR's PWM, LCD is a static...[Details]
-
Basic tool configuration The system is Ubuntu 12.01, which feels quite easy to use and stable. After entering the system, if a user is created during installation, root has no password: #sudo pas...[Details]
-
Samsung's Galaxy S series flagship is expected to be launched in February next year. Recently, its high-end model Galaxy S22 Ultra was exposed again, showing its back shape and design. Leaker Rolan...[Details]
-
LED indoor lighting and application technology are advancing by leaps and bounds. Indoor lighting is undoubtedly a huge market with undoubted market prospects. It is believed that it will occupy a lar...[Details]
-
The first domestically produced computer in Chongqing was successfully rolled off the production line at Southwest Computer Co., Ltd., which means that the Chongqing Manufacturing Base of Domestic Co...[Details]
-
Earlier this year, Samsung officially announced that it would launch its next-generation flagship chip Exynos equipped with an AMD graphics processor. Recently, AMD revealed more details about this p...[Details]
-
The research based on DSRC technology aims to provide a set of advanced means and scientific methods that can provide all-round control, effectively assist vehicles and drivers and manage traffic,...[Details]
-
Simple waveform generator - square wave, triangle wave, sine wave This experiment attempts to make a waveform generator by effectively combining NE555 timer, resistors, capacitors and other comp...[Details]
-
I was recently in charge of a project that used a high-performance chip called stm32f4. During the development process, I encountered a very strange phenomenon. I spent two or three days to figure it...[Details]
-
The domino effect caused by the shortage of production capacity is not only reshaping the supply chain, but also reshaping the business model of foundry. After UMC announced last year that it would c...[Details]
-
LCD-24V power supply circuit composed of MAX759
The figure shows the -24V power supply of LCD composed of MAX759, which provides 30MA current and has an efficiency of 80%. ...[Details]
-
Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]