Define a variable a in function funA, and then create a task with funB as the entry function of the task. Why can the value of a be modified in funB? For example, funA() { int a; taskSpawn("test",CONS...
[p=24, null, left][color=rgb(43, 43, 43)][font=Lato, sans-serif][size=16px]First, let's talk about how to calculate CPU usage in RT-Thread. It first turns off interrupts and accumulates a benchmark va...
I really want to learn vxworks embedded operating system. I would like to ask experienced experts to share some experience and tips. Where should I start and what preparations should I make? It would ...
Question: I made a minimum system by myself, and used the serial port 1 of stm32f103 to download the program. The following problems occurred:I pressed the reset button and tried again, but it still d...
It’s been a while since I posted my second post. Today I’d like to share again the inexplicable things between me and MX32630. First of all, after I posted the first thread about the light, a forum us...
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]
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[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]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[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]
introduction
Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
The evolution of high-speed networks remains guided by the same core objectives: increasing data rates, reducing latency, improving reliability, lowering power consumption, and maintaining or exten...[Details]
introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]