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 ...
[size=4]The EEPROM in M4 is not addressed in the memory space, but is directly read and written by operating the register. Therefore, an address in the middle of the EEPROM belongs only to the EEPROM ...
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 ...
According to a recent research report released by Strategy Analytics' Smart Speaker and Screen service, global smart speaker sales reached record levels in 2020, despite the severe market challenges ...[Details]
China Unicom’s official Weibo account announced yesterday that Chongqing Unicom has teamed up with Huawei to build the world’s first county-level 3.5GHz+2.1GHz dual-band 5G network collaborative demo...[Details]
Abstract: This paper analyzes and discusses several problems that arise when frequency converters are used in oil pumping units, reveals some deep-seated problems, and proposes corresponding energy...[Details]
Introduction: Connectors are used in every car. This device uses electrical, optical and other signals to control the corresponding mechanical force to connect, disconnect and convert, thereby real...[Details]
The 6% Luer taper connector multifunctional tester uses a 7-inch colorful LCD touch screen with Chinese menu display. The nominal capacity of the syringe can be selected by the keyboard, and the axia...[Details]
ADLINK Launches First Embedded MXM Graphics Module Based on NVIDIA Ampere Architecture for Edge Computing and AI
Embedded MXM graphics modules enable high-performance, energy-efficie...[Details]
Different lens brands have different definitions of megapixel lenses. For example, some Japanese brands define 1.5 megapixel lenses as follows: from the center to the periphery of the screen, 70% ...[Details]
As early as ten years ago, my country had become the world's largest manufacturing country, and then "smart manufacturing" industrial upgrading became the main theme of the industry. ...[Details]
Friends who are familiar with oscilloscopes may have had this confusion: there are two types of input impedance: 1MΩ and 50Ω, how should we choose? 1. Transmission Line To explain the origin of 50Ω...[Details]
As a leader in mining chips and one of the unicorns in China that has entered the cloud-side and end-side AI chip market, Bitmain's every move in the field of AI chips has attracted widespread attent...[Details]
Xiaomi Mi 11 is the world’s first smartphone to be powered by Snapdragon 888 and is now available for sale. According to the total sales figures released by Xiaomi, it is estimated that around 350,00...[Details]
Canada's two largest telecommunications companies have ruled out Huawei equipment and chosen to work with Sweden's Ericsson and Finland's Nokia to build 5G networks, Reuters reported. Canada's Bell...[Details]
Three-phase brushless 24V DC motor
When engineers want to use electrical and electronic machines to do something in the real world, they will think about how to turn electrical signals into "f...[Details]
What effect does the inverter have on the motor?
A variable frequency drive (VFD) is a device that controls the speed and output power of a motor. It mainly controls the motor's speed by c...[Details]
Over the past two decades, Micron has established very deep relationships with Chinese customers and has continued to invest in the Chinese market. Recently, Micron's Xi'an factory has been very ac...[Details]