How to know the length of received data in lwip? If the sent data ends with 01 02 03 04 00 00 00 00, it seems that the real data length cannot be calculated using the pointer in pbuf (the unupdated da...
I wrote a small program for PPC2003 machine, this program includes a dynamic link library file. When I copy the program and this dynamic library to PPC to run, why can't it run! The program reports an...
1 Introduction to Virtual Instruments The main functions of all measuring instruments are composed of three parts: data acquisition, data analysis and result display. Data analysis and result display ...
This is a simulation experiment of the LM358 Howland circuit that I did. I found that the voltage is normal below 5V, but it is saturated when it exceeds 5V. How do I calculate the saturation value of...
UBOOT version: 2010.06 version According to the online tutorial, after transplanting DM9000 and NORFLASH. Download to SDRAM for debugging. There is a problem. First, it cannot be PING. But I clearly f...
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
The mobile computing market is rapidly evolving, and manufacturers are fiercely competing for market share. A key area of competition is battery life, which encompasses two key aspects: how long th...[Details]
AI distributed rendering architecture improves mobile phone rendering capabilities, and game performance tests can check frame generation indicators in real time
Shanghai, China, Aug...[Details]
As the electric vehicle industry continues to surge in today's society, while people are concerned about the appearance and interior of new energy vehicles, they are also concerned about the classi...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
1. When the variable frequency motor stops, the heat source is gone, and the radiation and heat conduction functions of the heat dissipation components themselves are sufficient to ensure that the ...[Details]
Microcontroller MCU
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