I am a student majoring in communications and will graduate soon. I want to work in the wireless communications industry, especially in 3G networks. I feel that what I learned in school is not enough....
2812 CAN communication problem, urgent!Dear teachers:When I tested the CAN communication of the 2812 chip, I used the ECAN communication source code downloaded from the TI website, but the CAN communi...
Using the development board of Yangchuang Package 2, using serial port 1 under Linux, debugging sim300, 2440 and sim300 through three-wire connection (txd, rdx staggered docking) a block can start nor...
It is a DC carrier. When communicating , the positive voltage is 32V at high level and 10V at low level. When not communicating, the voltage is 32V. A wide pulse represents 1 and a narrow pulse repres...
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]
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[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]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[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]
Silicon Labs (also known as "Silicon Labs"), an innovative leader in low-power wireless connectivity, will showcase its cutting-edge artificial intelligence (AI) and Internet of Things (IoT) solu...[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]
Nidec Precision Testing Technology Co., Ltd. will participate in "Testing Expo China—Automotive 2025" to be held at the Shanghai World Expo Exhibition and Convention Center from August 27 (Wednesda...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
When it comes to batteries, they're no strangers to car owners. But how should batteries be maintained? How often should they be replaced? What bad habits can affect their lifespan? And what's the ...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[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]