I am using Xuanwei's programmer, and the port connections are all correct. I have checked that there is an error in reading chip words when downloading. There is something wrong with the target board....
In my system, I use the port of 430f149 to drive max7219 (digital tube display), and I also add a triode for level conversion. The same program runs completely normally under 51, but it can never disp...
[color=#333333][font=Arial]I got three NFC self-adhesive labels from old machines by chance. The original manufacturer used NFC labels on the consumables in order to monopolize the consumables. Later,...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i]IMS Research: Media Players, PCs, Display Drivers Near $5 Billion in Digital Signage Revenues
According to an analysis by IMS Res...
I made an edit box under the dialog box. Because the edit box is relatively large, the original word output is relatively small. I don’t want to change the size of the edit box. I want to know how to ...
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]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[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]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[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]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
With the growth of the Internet of Things (IoT), wearable, and portable devices, consumers are growing weary of cluttered cables and the need for frequent battery recharges. The benefits of wireles...[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]
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