The SD card and SPI FLASH of DK-LM3S9B96 are both SPI read and write, and the pins are shared. In the usb-device-msc routine, the contents of the SD card can be read by a computer, which involves USB ...
[font=微软雅黑][size=4] I got the board for almost half a month, but I still haven't written any summary. The main reason is that the company has too many things to do recently. I have to spend some time ...
I received a DIY desk calendar from the forum a few days ago. It is very beautiful. My wife likes it very much. Without further ado, here are the pictures.[[i] This post was last edited by laoguo on 2...
I am using the 32K version of IAR. How can I know the size of my program after compilation? The program space of STM32F103 is 256K. The 32K version of IAR can only compile files with a program space s...
The TIA Portal software's shift instructions shift the contents of an accumulator bit by bit to the left or right. The number of bits shifted is determined by N. A left shift of N bits multiplies t...[Details]
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
On August 25th, Apple's expansion in India encountered new troubles. According to Bloomberg, Foxconn Technology Group has recalled approximately 300 Chinese engineers from India, further hindering ...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
Batteries, at the core of new energy vehicles, are crucial to vehicle performance and range. Existing automotive batteries are categorized into lead-acid and lithium batteries. Currently, new energ...[Details]
introduction
The rapid development of science and technology has enabled mankind to quickly move from the Internet era to the big data era. As a result, the amount of data generated by people ...[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]
A new multi-layer diffractive optical processor can block images in one direction while allowing images in another direction to pass through.
Researchers at the University of California,...[Details]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
A Beijing chemical project utilizes a distributed control system (DCS). The master control system primarily uses the Modbus protocol, while the remote field devices utilize the PROFIBUS-DP protocol...[Details]
For traditional gasoline vehicles, the engine and transmission are the core components of the entire vehicle, while for pure electric vehicles, the power battery is clearly the most important. Ther...[Details]
Wireless Communications
Ethernet protocol
Touch screen and 200Smart
In real-world systems, multiple PLCs are distributed throughout a single workshop, centrally controlled by a...[Details]
I. Introduction
The energy crisis, the greenhouse effect, and the deteriorating ecological environment are constant reminders that the Earth is exhausted. Changing the way we obtain energy an...[Details]
In the field of new energy vehicles, batteries are no longer just components, but the core of the entire vehicle value chain.
As penetration rate and ownership continue to rise, the afte...[Details]