In a matrix key circuit, some have a diode in series on each key, and some have a diode in series on the row scan line. What is the use of this diode?...
I like this pair of Bluetooth headphones very much. The sound is balanced and the size is small. It doesn't feel uncomfortable when wearing it. It cracked and broke when I adjusted it. I just opened i...
Two 82557 redundant channels, set the MAC addresses of the two network cards to be the same in sys557Init() of sysfei82557end.c, use task query to switch in usrapp...c, TCP and UDP on-demand can be sw...
In this way, I made a controller, and the computer controlled the closing of 2 relays. After finishing this time, I found that relay No. 1 worked, but relay No. 2 did not work. When relay No. 1 did no...
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Samsung Display has recently signed a contract with Tesla (US) to supply OLED (organic light-emitting diode) panels for the facial display of Tesla's humanoid robot, Optimus Prime. According to Pho...[Details]
As systems become increasingly used in industrial environments, industry safety requirements, as well as national and international safety regulations, need to be constantly updated to ensure a saf...[Details]