I just bought a 12864 LCD, which uses a 7920 control chip and has a font library. I don't know how to use it specifically. The instructions say it can support serial data transmission. I don't know if...
I connected the development board to the PC with a serial cable. At first, the serial assistant displayed normally, but after turning off the ARM power for a while, all the characters were garbled whe...
I have a circuit diagram below. I would like to ask what are the functions of the two transistors Q7A and Q7B in this circuit. In the application examples in the PDF of the LM5002 chip, transistors ar...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[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]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
High-definition media consumption is experiencing a dual growth: an increase in the number of consumers and a transition to higher-definition content. This growth is driven by increasingly widespre...[Details]
introduction
With the development and widespread use of integrated circuits in power electronics design, electronic products are trending towards smaller sizes, more components, and greater fu...[Details]
In this era of transition, traditional fuel vehicles and new energy vehicles are at odds with each other. Many people say new energy vehicles are too complicated. While pure electric vehicles are f...[Details]
According to reports from Xinhua News Agency, Tianjin University official website and other media, Chinese researchers have recently broken through the bottleneck of energy density and application ...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]