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.
1) The size of the pads of the patch layer and the circuit layer is consistent with the size of the pads of the bare copper of the physical PCB. This is the basis for the size of the opening (a necess...
The signal generator outputs two 10KHZ sine wave signals at the same time, which are added to the channel 0 and channel 2 of the single-chip microcomputer (MCU uses STM32F030C8T6) and collected altern...
I have used F4 FMC to drive LCD before, and thought it would be a piece of cake to move it to H7. However, after working on it for several days, I still couldn't get any signal, and the Hal library, L...
[i=s]This post was last edited by shijizai on 2021-3-18 10:45[/i]The ADC chip used is TI's ADS7054 (the input is differential input and the output is single-ended output). The signal I want to measure...
[i=s]This post was last edited by qwqwqw2088 on 2021-1-20 08:42[/i]The optical splitter is a component of the PON network. It is a passive device that connects the OLT and ONU. Its function is to dist...
[i=s]This post was last edited by 风雨潇潇_ on 2019-1-2 22:10[/i] [postbg]1.jpg[/postbg]When I first saw the introduction of this little thing, I couldn't suppress my inner restlessness. I can only say it...
1 Introduction Radio frequency identification is a contactless automatic identification technology that automatically identifies the target object and obtains relevant data through radio frequency ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Introduction Data acquisition, instrument control and automated testing are practical tasks often encountered in laboratory research. The emergence of LabVIEW enables ordinary laboratory w...[Details]
According to foreign media reports, Pirelli has launched a new smart tire that can transmit its measured road information through the 5G network. Recently, at the "The 5G Path of Vehicle-to-Everythin...[Details]
Electric vehicle sales have soared, and industry changes have begun. As the last link to the power grid, charging guns are the key to building an electric travel ecosystem. How to build a high-qual...[Details]
1. Hardware Principle The I2C bus is a serial bus introduced by PHLIPS. It is a high-performance serial bus with bus arbitration and high-speed and low-speed device synchronization functions require...[Details]
A developer found references to "realityOS" in Apple App Store upload logs and open source code. From the exposure, realityOS may be an AR/VR operating system that will be installed on Apple's rumore...[Details]
The simplest case of using USART is to use only three wires: Tx is used for data transmission, Rx is used for data reception, and GND is the signal ground line, which provides a reference level for b...[Details]
Use a signal generator to input a signal to the board.
The oscilloscope
can generally only be used to
test
the waveform between a certain node and the ground on the circuit. If the ...[Details]
clock structure to generate ARMCLK, HCLKX2, and HCLK. clock divider
consists of two parts
pre-dividers
and
post divers.
there are two pre-dividers to divide by 2 and 5
...[Details]
It started to rain near dusk, and the vehicles and pedestrians on the road gradually merged into the surrounding scenery. As the natural light gradually weakened, the road surface became increasi...[Details]
When STMicroelectronics first launched the STM32 microcontroller, it also provided a complete and detailed firmware development kit, which includes all the underlying operations involved in the STM32 ...[Details]
Recently, JOLED, a Japanese panel manufacturer founded by Sony and Panasonic, held a completion ceremony for the "Nomi Plant" printed OLED production line. Sample production is currently underway and...[Details]
From left to right: Hu Bin, Director of the Association's Financial Center, Xie Nan, Director of the Equity Department, Lin Yanhui, Vice President of Aihua Yingtong, Chen Junlin, Secretary General of...[Details]
An autonomous vehicle is a vehicle that can sense the environment and operate without human involvement. It can do everything that an experienced human driver does. In a recent study, experts ident...[Details]
PCB Design
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