Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
Refer to the ESP32 IDF case "mqtt/tcp" (..\esp-idf-v4.4\examples\protocols\mqtt\tcp) to introduce the MQTT Client function, so that the Kaluga board can connect to OneNET (I use the old version of MQT...
Wireless transmission has many advantages over wired transmission. Perhaps most importantly, it is more flexible. Wireless signals can be sent from one transmitter to many receivers without the need f...
Preface:
When driving the LCD screen, we need to use fonts, pictures and other data. For example, if we want to display Chinese characters, the process is as follows: Make a font library to generate a...
1. Zero drift phenomenon and its causesZero drift refers to the phenomenon that when the input signal of the amplifier circuit is zero, due to the influence of factors such as temperature change and u...
Silicon Valley startup SiFive has opened pre-sales for its "HiFive Unleashed" single-board computer (SBC), a RISC-V-based board running Linux. The core chip is a 1.5GHz U540 SoC, equipped with 8GB of ...
1. Vacuum cleaner type Understand the type of vacuum cleaner and check what kind of battery it is suitable for. Generally, vacuum cleaners now use lithium batteries or nickel-metal hydride batteries. ...
Keysight Technologies will be at the 2024 European Microwave Week (EuMW) exhibition in Paris, France, from September 22 to 27, showcasing a range of solutions that accelerate RF and millimeter wa...[Details]
introduction
With the deepening of urbanization in my country, intelligently managed high-end residential areas, garden villas, comprehensive facilities, etc. (hereinafter collectively ref...[Details]
CAN (Controller Area Network) bus, or Controller Area Network bus, was developed and launched by Bosch in Germany in 1982 as the earliest data communication protocol for measuring and executing compo...[Details]
On April 25, Shandong Electric Power Group Liquid Flow Energy Storage Development Co., Ltd. and State Grid Electric Power Research Institute Wuhan NARI Co., Ltd. held a signing ceremony for a coope...[Details]
ASUS's annual flagship ZenFone 6 recently received a new software system firmware update, which enabled "Super Night Mode" on the ultra-wide-angle camera and improved camera rotation stability....[Details]
More and more consumer electronics companies are also entering the automotive industry. Among China's advantageous industries, industrial chains involving consumer electronics, motors, power suppli...[Details]
During peak travel periods during holidays, traffic congestion is a problem that cannot be overcome. From popular urban attractions to natural scenic spots in the countryside, from urban roads to hig...[Details]
With the continuous updating and development of speech recognition and speech synthesis technology, the application of speech recognition technology in embedded products has been widely used. S...[Details]
describe
The LTC®6605-10 contains two independent fully differential amplifiers configured as matched second order 10MHz lowpass filters. The filter's f-3dB is adjustable from 9.7MH...[Details]
Linux memory management
The paging management of embedded processors is a two-level mapping, with memory space and I/O space addressed uniformly, while the x86 processor uses a three-level map...[Details]
ARM instructions: what are adr adrl ldr mov? ADR is a pseudo instruction for reading addresses in a small range, which reads the address value based on the relative offset of PC into the target reg...[Details]
Before understanding the difference between the waveform graph and trend graph in the power analyzer, we need to start with the basic concepts of "update rate", "data frame" and "frame format" in the ...[Details]
In the first half of 2024, the Chinese auto market showed a strong recovery. Among the top ten sales, Chinese brands occupied six seats. BYD, Volkswagen, Chery, Geely and Changan ranked in the top ...[Details]
In automotive and other lighting applications, it is often necessary to dim interior lights. Using a mechanical voltage divider to perform this function wastes power, is relatively inefficient, and ha...[Details]
0 Introduction
With the continuous expansion of enrollment, the experimental equipment of ordinary colleges and universities in China is often outdated and cannot be updated in time, thus ...[Details]
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