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.
I have a new IoT product project in the works, but the definitions of the parameters of the Bluetooth chip NRF52832 are not clear yet. Can anyone who knows please tell me?...
MSP430 MCU BasicsThe CPU of the MSP430 MCU belongs to a RISC (Reduced Instruction Set) processor. The RISC processor is basically designed for high-level languages, because the reduced instruction sys...
[size=4][color=#000000][backcolor=white]1. ZigBee's main frequency bands are 868MHz, 915MHz, and 2.4G. 868MHz is a common frequency band in Europe, 915MHz is a common frequency band in the United Stat...
1 Introduction
Fixed-length array package
In normal development, when sending and receiving buffer data, if a buffer fixed-length packet is used, assuming the size is 1k, MAX_LENGTHit is 1024. The str...
As shown in the figure below, after reducing the 35V voltage to 28V output and adding 158 voltage feedback, it will howl when loaded. If it is not added, it is normal. I don't know what the reason is....
[i=s]This post was last edited by yanruiqi5678 on 2020-10-8 16:59[/i]Dear experts, please tell me: When micropython esp8266 WIFI is set to AP mode, 1. How can I get the IP address and other informatio...
Recently, it was reported that Apple's negotiations with CATL and BYD on battery supply for Apple's car-making project have stalled. It is understood that the fundamental reason is that the two Chine...[Details]
introduction
Multi-cell lithium batteries are widely used in electronic products, such as outdoor Bluetooth speakers, power tools, fascia guns, air pumps, etc. Traditionally, these e...[Details]
Abstract: This paper proposes a solution to realize the Profibus-DP master station (class 1) communication platform using FPGA and ARM microcontroller; analyzes the Profibus-DP communication protoc...[Details]
On April 11, 2019, NIO officially released the 70kWh to 84kWh range upgrade plan. In other words, depending on different scenarios and needs, users can improve the endurance of their cars through f...[Details]
In engineering technology, the internal structure of the chip diode is basically the same as that of the diode, which is composed of a PN junction. Therefore, the detection of the chip diode is basic...[Details]
As of the end of April, the 2022 annual reports of 36 listed companies in Guizhou have been disclosed, and they have achieved good results in profitability, asset quality, financing scale, etc. The to...[Details]
1. Purpose
1. A few days ago, I wrote a program for keyboard scanning, character input and simple shell on the development board. The program was modified based on the previous project. The source co...[Details]
Principle and production of FM signal generator
The FM signal generator introduced in this article has high precision and reliable operation, and can be used as the high frequency, intermediate fre...[Details]
1. Introduction Solar photovoltaic lighting equipment has established an important position in the lighting industry with its energy-saving, environmentally friendly and easy installation characteris...[Details]
With the development of microelectronics manufacturing, it is urgent to make high-speed and highly integrated CMOS circuits, which has prompted the process level of analog integrated circuits to reach...[Details]
1. Experimental tasks As shown in Figure 4.14.2, the parallel port P1 of AT89S51 is connected to a 4×4 matrix keyboard, with P1.0-P1.3 as input lines and P1.4-P1.7 as output lines; the serial...[Details]
The attitude towards adversity determines a person's resilience. A person with strong resilience can find the spark of hope in difficulties and still find light in darkness. The same is true for ente...[Details]
On April 25, Hisense Medical held a 2022 new product launch conference and officially released the world's first 55-inch Mini-LED medical endoscope display. With its excellent depth of field and thre...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robot p...[Details]
1. Timing
The demand for broadcast video systems is increasing significantly year by year around the world due to a combination of factors:
The increase in broadcast channels available to...[Details]
Discrete Device
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