I connected an AT89S52 download circuit on a breadboard, but the chip cannot be detected every time. Can an expert help me find out why? Thank you in advance....
Original title: Don’t let your youth be tainted with old age (Youth View) It seems that overnight, the post-80s generation has collectively become "old". First, nostalgia. They sing "Old Boy", lamenti...
The photoelectric-contact liquid level sensor is a sensor that outputs analog signals. Its application circuit is shown in Figure 1.Figure 1 Application circuit
During the detection process, the outpu...
[p=20, null, left][color=rgb(73, 73, 73)][font=Verdana, sans-serif][size=3][backcolor=white]Texas Instruments (TI) has announced the latest C2000 Delfino 32-bit F2837xD microcontrollers (MCUs) in the ...
I bought an Ez430 watch a few days ago and wanted to do some simple development, but I have read a lot of information and still have no idea. I am a mechanical person and not familiar with electronics...
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial fieldbus communication protocol based on an Ethernet-based development framework. EtherCAT is one of the fastest indu...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[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]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
When American cartoonist Chester Gould sketched the watch on Dick Tracy's wrist, he had no idea that science fiction would become reality 70 years later. As a comic strip artist, Gould imagined fut...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
0 Introduction
Portable terminals integrate a computer and display screen into a single device. Due to limited space in portable devices, previous designs often used a single-chip microcompute...[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]
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]
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]
On August 9th, at the 2025 World Robotics Conference (WRC), Shenzhen Cyborg Robotics Co., Ltd. officially unveiled the Cyborg-H01, the world's first lightweight bionic dexterous hand. This core com...[Details]