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.
Semiconductor materials are electronic materials that have semiconductor properties (conductivity between conductors and insulators, resistivity in the range of about 1mΩ·cm to 1GΩ·cm) and can be used...
[i=s] This post was last edited by yjguohua on 2019-4-25 11:14 [/i] [color=#008000][backcolor=rgb(255, 255, 255)][font=Tahoma,]I would like to ask, how should I drill the heat dissipation holes on the...
As the title says, I saw a SGM38042 chip from Shengbang Microelectronics participating in an annual power management/voltage converter award voting today. I was immediately curious and learned about t...
[size=4] The 50Hz AC sampling signal V1 is sent to the inverting input pin 6 of the active precision detector composed of pins 5, 6, and 7 of R1, R2, D1, and U. The purpose of using an active precisio...
Hello everyone! I disassembled a power supply board produced by another company, and I was curious about the craftsmanship in one place. It was the first time I saw it. What is the green layer next to...
__use_no_semihosting_swi, that is, do not use semihost mode to prevent the program from entering software interrupts. 1. If file operations such as printf, fopen, and fclose occur during the compil...[Details]
Asia's highest-level sensor event, SENSOR CHINA, guided by the Ministry of Industry and Information Technology and Shanghai Science and Technology Commission, co-organized by the China Sensor and Int...[Details]
Today I was looking at the selection of Fluke clamp meters. One of the technical specifications was: Digital display: 6000 character resolution. I don't know what this 6000 character means. There is ...[Details]
Honor Band 5 should be released soon. Today, Honor President Zhao Ming posted a Weibo post, revealing that Honor Band 5 has added a new health-related function - blood oxygen monitoring. As we ...[Details]
By Steve Lambouses, Vice President of High Voltage Power Solutions at Texas Instruments The electrification of vehicles is not new. In fact, the first electric vehicles (EVs) were introduced in the...[Details]
Foreign media reported recently that due to chip shortages, iPhone 13 production will be reduced by tens of millions this year, and the total production capacity will be lower than expected. However,...[Details]
This part of the circuit is mainly composed of a 315MHz wireless data receiving module, a decoding integrated PT2272, a D trigger 4013 and a relay circuit. The 315MHz wireless data receiving module h...[Details]
China Energy Storage Network:
The cold wave is coming, and heating has attracted much attention. For heating this winter, many places in Shandong have begun to abandon the traditional coal-fi...[Details]
In lightning protection detection, there are many factors that cause inaccurate ground resistance readings. In summary, there are generally nine reasons. First, since the ground resistance tester te...[Details]
DC stands for "direct current", which is a unidirectional current flowing through a conductor from point A to point B in a circuit. The most basic definition of DC-DC conversion is to convert a DC ...[Details]
In 2011, Australia has taken the lead in banning the use of incandescent lamps, which has opened the prelude to the large-scale popularization of LED lamps. In addition, as EU countries, Japan,...[Details]
The European Commission announced the long-planned "Chip Act" on the 8th, hoping to increase chip supply to four times the current level by 2030 by increasing investment and strengthening research an...[Details]
The era has once again come to
another juncture of
the productivity revolution
.
Robots,
as an important tool for new productivity, have been widely used in
many fields such as
i...[Details]
China Energy Storage Network News:
On July 28, the launch meeting and implementation plan demonstration meeting of the National Key R&D Program "Research on Key Technologies of New Lithium Sl...[Details]
With the development of industrial automation, intelligence and informatization, data exchange and communication between industrial equipment have become increasingly important. Efficient data inte...[Details]
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