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 am honored to be shortlisted for the 2022 Digi-Key Innovation Design Competition. I would like to thank the organizers EEWORLD and Digi-Key for providing free development boards and the carefully bu...
I recently downloaded a project generated by Rapid IoT Studio online IDE to the development board. It runs out of power after a short time after it is fully charged. Today I removed the outer shell an...
I have been engaged in the research and development of automotive products for many years, mainly engaged in aftermarket anti-theft devices, keyless, PEPS (PKE) smart one-button start and other produc...
The biosensor generates a signal with a peak value of -50uA/5us. What circuit can be used to obtain a signal of about 2V?
If you use the inverting ratio to amplify, what are the requirements? Which ma...
Help! ! I designed three circuits, one is the first-stage amplifier circuit, one is the low-pass filter circuit, and the other is the second-stage amplifier circuit. The purpose is to amplify the 1MHz...
With the rapid development of autonomous driving technology, it seems that now is the time to reap the rich fruits of the industry. L2 assisted driving technology has been widely used, and the low-...[Details]
(Image source: Toyota) According to foreign media reports, on March 17 local time, Toyota Research Institute-Advanced Development Center ( TRI-AD ) and Dynamic Map Platform announced a collaborati...[Details]
Microwave designers have used optimization techniques to improve and focus circuit performance in their designs for decades. Thanks to new technologies developed in the past decade, analog IC designe...[Details]
Ayar Labs is a startup that aims to use novel silicon processing technology to develop high-speed, high-density, low-power "chiplets" based on optical interconnects. Although the manufacturing proces...[Details]
Recently, the lithium battery energy storage system developed by Shanghai Soluna Energy Co., Ltd. (hereinafter referred to as "Soluna") successfully obtained the UL 9540A certification certific...[Details]
The high-speed switching action (from tens of kHz to several MHz) of the power switching devices in the switching power supply forms an EMI disturbance source. The main forms of interference in the...[Details]
Protecting electronic systems susceptible to load dump conditions is a major challenge in automotive applications, whether they are fuel-powered vehicles or electric vehicles (EVs). In addition to de...[Details]
With the help of Apple, Sharp, a subsidiary of Foxconn, is negotiating with Japan Display Inc. (JDI), a Japanese small and medium-sized LCD panel manufacturer that is undergoing operational reconstru...[Details]
1. How are headphones classified?
1. According to the transducer principle
There are mainly two categories of headphones: dynamic and electrostatic. Although there are several other types such...[Details]
In the context of increasingly fierce global competition for civilian machines such as mobile phones and household appliances, personalized design has become an important factor. Therefore, desig...[Details]
From being exclusive to a small group of people to entering the shopping lists of ordinary people, this is the trend of consumer goods brought about by technological development. Cars, computers, mob...[Details]
Since scientists proposed the concept of "quantum dot" (QD) in the 1980s, quantum dot, as a zero-dimensional light-emitting semiconductor nanostructure, has attracted the interest of a large n...[Details]
For USB device and system designers, successfully passing compliance testing is critical to ensuring conformance and interoperability. Each variant of USB has its own compliance test specification. T...[Details]
Recently, Beijing Puneng received a letter of thanks from the Ganzi Demonstration Energy Storage Project Department of State Power Investment Corporation, which expressed praise and affirmation for...[Details]