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Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
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The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
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In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
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The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
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The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
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As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
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The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
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Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
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Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
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1. Signal Type of Vibration Sensor
The signal type of a vibration sensor depends mainly on its operating principle and measurement parameters. The following are some common signal types:
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The device is space-saving, with a footprint of only 4 mm x 4 mm, is sealed to IP67 and operates at temperatures up to +140°C.
MALVERN, Pennsylvania, USA and SHANGHAI, China – August...[Details]
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In the global era of green energy conservation and sustainable development, time delay relays, as key components in the electrical control field, are shifting towards low-power design and the use o...[Details]
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Radio frequency (RF) testing is a critical step in embedded system development and verification, particularly in industries such as telecommunications, aerospace, automotive, and the Internet...[Details]
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Ten years ago, it was easy to get a divide-by-256 prescaler chip with a frequency up to 1GHz, but these chips are no longer available, so I used a 74F161 counter to achieve the divide-by-16 fun...[Details]
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1. Mainstream Technologies in Fiber Optic Networks
1.1. New Fiber Optic Technologies
Fiber manufacturing technology is now largely mature and is now in mass production. Currently, singl...[Details]
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