On the evening of June 2nd, Beijing time, Huawei officially released HarmonyOS 2 and a number of new products equipped with HarmonyOS 2.
This also means that "mobile phones equipped with HarmonyOS" ha...
Domestic semiconductor manufacturers have not yet shared their presentation PPTs. The demos presented are not very innovative.
The most important thing is that lunch is not included. Instead, we were ...
In order to facilitate human-computer interaction and display information, a self-made 128*64LCD dot matrix screen is added to the GD32307E-START development board to facilitate subsequent advanced de...
[i=s]This post was last edited by babyking on 2018-11-30 16:51[/i] [color=#333333][font=微软雅黑][size=18px]Today I got a Corethink development board, model SIN-A33, which uses Allwinner's A33 chip. Unlik...
There are many ways to generate digital phase-shifted signals. The traditional direct digital frequency synthesis (DDS) phase-shifting principle is to first digitize the sine wave signal and form a da...
STC89c54RD+ defines array xdata a[18] _at_ 0x001d; I can change its value with the keyboard, but after powering on, its value changes randomly. I would like to ask you how to ensure that its value is ...
New features include Ultra Librarian® symbol integration, custom symbol editor, and math markup Digi-Key Electronics, a global distributor of the broadest selection of in-stock electronic component...[Details]
In recent years, with innovations and upgrades in materials, processes, and structures, the energy density of lithium-ion batteries has been greatly improved. It is generally believed in the industry...[Details]
The integration of low-frequency and high-frequency RF wireless systems is very different. In the high-frequency band, CMOS technology is the preferred technology for RF circuits because it can ach...[Details]
In the magical first half of this year, the automotive industry was like a world of ice and fire. The more desolate the traditional fuel vehicle companies were, the more delighted the new energy vehi...[Details]
Describes how to use virtual instrument technology to quickly and easily develop a shortwave radio automatic test system. Compared with traditional instrument test platforms, the test efficiency is...[Details]
There are many ways to solve the EMI problem. Modern EMI suppression methods include: using EMI suppression coatings, selecting appropriate EMI suppression components and EMI simulation design, etc. ...[Details]
1. Experimental Purpose Master the steps of using the 51 single-chip microcomputer development board; Master the installation process of the software required for the 51 MCU development board; Take...[Details]
Another hybrid bus fire incident in Shenzhen recently has once again put the safety of new energy vehicle batteries at the forefront of public opinion. "First of all, we should view such incidents ...[Details]
This is the circuit diagram of a stereo preamplifier with volume and tone controls. When using our amplifiers (big or small) you always need volume control and preferably also tone control. The cir...[Details]
With the development of the electric power industry and the increase in grid load demand, my country is vigorously developing UHV and long-distance transmission technology. High voltage leads to stron...[Details]
Clamp ammeter operation diagram
(A) The tester should wear gloves, hold the watch flat and open the jaws.
(B) Place the wire to be measured into the jaws and then close the jaws.
(C) If two wires...[Details]
Introduction With the rapid development of radar technology, people's requirements for radar signals are becoming higher and higher. High precision, high scanning rate, high anti-interference...[Details]
In the southeast corner of China Suzhou Pioneer Park, a new free battery-charging garage has been built. The garage is about 120 square meters, and many battery-charging vehicles are being charged ...[Details]
a brief introdction According to the previous knowledge points, I came step by step and realized the operation of lvgl on HLK801. It is quite gratifying that I did not encounter any pitfalls that mad...[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]
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