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.
The MQTT protocol is built on top of the TCP protocol, just like a car chassis can run with four tires, but if you want everyone to drive more comfortably, we still have to add a shell to the chassis....
[i=s]This post was last edited by lemon1394 on 2021-8-18 22:00[/i]Using the frame buffer method to display Chinese characters or pictures, the algorithm becomes very simple.
Not only can it be used fo...
The low noise block (LNB) is a key functional block in the receiver chain of a satellite communication system. The LNB basically consists of a low noise amplifier (LNA) chain and a downconverter. Alth...
The overall goal of the demo is to support the verification of communication solutions based on the COAP protocol;
After multiple comparisons and consideration of existing resources, the following sol...
The latest industrial-grade 5G terminal baseband chip "Dongxin DX-T501" developed by China was unveiled in Kunshan, Jiangsu on the 28th. At the same time, preparations are being made to establish an ...[Details]
It is most appropriate to describe Ren Zhengfei's strategic thinking at that time as far-sighted. Now when I look back at Ren Zhengfei's speech "The Best Defense is Offense" delivered in 2013, I feel...[Details]
When Google's next-generation operating system, Android 10, was just released, Unisoc immediately announced that it had taken the lead in deploying Google's latest operating system on smartphone mobi...[Details]
For all mid-range PIC microcontrollers, when the top 4 pins (RB7~RB4) of PORTB are set to input mode, when the input level changes from high to low or from low to high, the microcontroller can genera...[Details]
When household lighting fixtures leave the factory, they are strictly tested by measuring equipment. When the lighting fixtures are in normal operation or in a specific mode, the voltage, current and ...[Details]
I believe everyone is familiar with Air Pods. The first generation of products was launched in 2016. Its exquisite shape and user-friendly experience are eye-catching. In March this year, its latest ...[Details]
According to Tom's Hardware, Intel released a series of news at the 2019 Investor Conference. Its CEO Bob Swan announced that Intel will launch its first discrete 10nm GPU in 2020, and launched the f...[Details]
Today, the Huawei nova7 series was officially announced, and the release time was also officially confirmed on the 23rd of this month. Judging from the fact that the spokesperson for the previous gen...[Details]
With the development of automobile technology, people are increasingly using more energy such as oil and coal. Old energy will eventually run out, so how to effectively use new energy in automobi...[Details]
At this year's Xiaomi conference, many new devices were launched. Among them is the protagonist of our disassembly and analysis today - Xiaomi Sound, a high-fidelity smart speaker. The whole device n...[Details]
In fact, electric vehicles must use various methods to ensure safety to the greatest extent from the initial design stage. However, even the most perfect design still needs to be tested in practice...[Details]
Currently, new air conditioners use two main low-voltage outputs to power internal electronic devices. The low voltages of these two main outputs are +12V and +5V. The low output voltage is generated ...[Details]
1. MCU working state and its state transition
The various activities of the 80C51 microcontroller can be described as multiple different working states or working modes. Here, we use a mic...[Details]
A frequency converter is a device that converts industrial frequency power (50Hz or 60Hz) into AC power of various frequencies to achieve variable speed operation of the motor. The control circuit ...[Details]
This article presents a detailed reference design using the MAX5073 dual-channel step-down converter operating at a switching frequency of 2MHz. This design can be used in applications where board spa...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
