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.
[color=rgb(51, 51, 51)] Let's analyze the function. The serial port debugging assistant sends data to the FPGA. From the perspective of the FPGA, CH340 controls the RX signal to change the RX signal a...
USB is a complicated and time-consuming thing for me. It mainly describes the device according to the function. For example, USB keyboard, USB virtual serial port, USB camera...
And Hetai also added t...
How to accurately judge the quality of the power IC chip in the circuit in daily circuit maintenance work is an important part of repairing TV, audio and video equipment. If the judgment is inaccurate...
The input frequency is 1k square wave entering the low-pass filter, filtering out the waveform shown in the figure. The cutoff frequency of the low-pass filter is 1k. Why does this distortion occur?...
At present, single-chip microcomputers have become a basic course for engineering students, just like the basic principles of circuits. In fact, it is not that single-chip microcomputers are difficu...[Details]
The soil compaction tester is also called the soil firmness tester. It can measure the firmness of the soil in the field and provide effective data support for plant growth. So, how does the soil com...[Details]
Buzzers are very common in microcontroller application systems and are often used to implement alarm functions. For this reason, STM8 has specially integrated a buzzer module, which is very convenien...[Details]
Software operation Connect to the database Click "Start" - "Programs" - "Battery" The program starts running. If the system is running for the first time, the system will pop up a prompt in...[Details]
On June 5, *ST Dongke issued an announcement stating that the company had evaluated the Nanjing CEC Panda 8.5-generation TFT-LCD production line project's asset group in terms of the project's fixed ...[Details]
Signal generator is a commonly used signal source, which is widely used in electronic circuits, automatic control systems and teaching experiments. Signal generation can be done by analog circuits, de...[Details]
The quality of switching power supplies directly affects the technical performance of the product as well as its safety and reliability. Many power supply test items, large amount of calculat...[Details]
After the experimental board is soldered, the ISP download program fails. I check that both pins of the crystal oscillator have constant waveforms, but the 18th pin is much larger than the 19th pin. I...[Details]
Due to the continuous development of single-chip microcomputer technology and the emergence of high-brightness LED light-emitting tubes, large-screen high-brightness LED electronic advertising scre...[Details]
1. Conductive glue, conductive silver glue
Conductive glue is an indispensable glue in IED production and packaging. The requirements for conductive silver paste are good electrical and ...[Details]
Recently, in Dainan Town, Xinghua City, Taizhou, the 110 kV China Resources new energy storage power station was successfully put into operation. The new energy storage power station covers a total ar...[Details]
1. Introduction to the principle of matrix keyboard In the previous article, we introduced the use of independent keys. Independent keys require each key to use an IO port for reading. If there are m...[Details]
PCB thermal design inspection method: thermocouple
A practical application of the thermoelectric phenomenon is, of course, the measurement of temperature using thermocouples. The complex relat...[Details]
Under the par value delisting mechanism, many low-quality listed companies have been eliminated. However, in the recent continuous adjustment of A-shares, there are also some low-priced stocks with be...[Details]
With the rapid development of new energy vehicles and autonomous driving, many EMI problems have occurred in the application of automotive power chips:
First, autonomous driving and smart cock...[Details]
FPGA/CPLD
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