I intercepted the command code sent by a mobile phone as follows: 4b 00 21 27 00 01 00 8b 97 7e 4b 00 21 27 00 02 00 e3 bd 7e 4b 00 21 27 00 07 00 5b c3 7e 4b should be the command code 8b 97 or somet...
The system's up and down frequency conversion cannot be separated from the stray. Strictly speaking, all communications cannot be separated from the stray....
[font=Arial]I want to use two dry batteries as the power supply for the microcontroller development board. Is it feasible? My development board uses L7805 AC voltage regulator. Now I want to bypass 78...
[align=left][font=宋体][font=Verdana][size=4][color=#000000]With the development of society, the reform of the medical system, the media's publicity, the people's legal awareness has been greatly streng...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The circuit is shown in the figure. It consists of a DC voltage regulator circuit, a delay circuit, an overvoltage and undervolta...
I want to ask you how to design an IC card interface driver that complies with the ISO7816 standard. What is the principle? I want to make an IC card reader/writer on ARM7. The card is contact-type. H...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
Previously, Positive Motion Technology shared with you the firmware upgrade of motion controller, ZBasic program development, ZPLC program development, communication with touch screen and input/out...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
introduction
In recent years, multi-touch has emerged as a new alternative to traditional human-computer interaction. It eliminates the need for keyboards and mice, enabling simultaneous inter...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[Details]
Most electric vehicles currently lack a gearbox, only a single-speed reduction gearbox. This includes Teslas, but that doesn't mean electric vehicles don't need a gearbox. Thanks to the constant to...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]
With the global penetration rate of new energy vehicles projected to exceed 45% by 2025, and the industry's transformation entering its second half, the era of intelligentization, LiDAR has rapidly...[Details]
As urbanization accelerates and public safety demands continue to rise, traditional surveillance systems are gradually exposing their limitations due to their reliance on manual oversight, delayed ...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
