I am using CCS5.1. Yesterday I finally bought a parallel port emulator and a USB to parallel port cable. After plugging them in, there is no response except the system prompt sound. When I download a ...
This time, the LCD of F5529 development board became the most fun and sad thing for everyone to play with. Let's review the story of 5529 LCD last week! After applying for the sample of TPS75105DSKR, ...
Reply to the discussion below: "[url=https://bbs.eeworld.com.cn/viewthread.php?tid=55199&extra=page%3D1]Please advise, can the following circuit be established? What is the reason for not being establ...
Now I am loading the TFFS file system under vxWorks, and there are some problems. CPU: IXDP425, FLASH: I28F128J3(A). The definition has been defined, and INCLUDE_TFFS has been included. The flash driv...
This article introduces the use of table components in Qt, which requires the use of QTableWidget.
Let's introduce QTableWidget through an example. The following figure shows the test effect of the ta...
I am using the 51 MCU development board from Puzhong Technology. I bought an AD9854 module on Taobao and connected it with Dupont wires as described in the program. I would like to know what the probl...
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[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]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
On August 8, PetroChina Southwest Oil & Gas Field Company's 35kV Zhouping Line centralized battery energy storage system successfully completed a 24/7 trial run, achieving full compliance with all ...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]
Momenta's self-developed assisted driving chip has been successfully launched and entered the actual vehicle testing phase. This is the first time that Momenta has "settled" its own algorithm on an...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]
Introduction
Telepresence offers the most natural video conferencing experience. You can hold a meeting simply by walking into a conference room or sitting at your desk, making it feel like y...[Details]
Recently, a friend asked in the background: the recently released Yangwang U8L uses the RoboSense M1P, a long-range LiDAR, for its lateral LiDAR, while the Zunjie Wenjie series uses a TOF solid-sta...[Details]