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Product Introduction The operation process of measuring the ratio of transformer with ratio bridge is cumbersome and the measuring range is narrow. It is no longer suitable for the fast pace and high...[Details]

Abstract: OPC is an open industrial interface standard used in process control and manufacturing automation systems. This paper introduces the basic concepts of DCS and OPC, as well as the relevant...[Details]

In recent years, sodium-ion batteries have attracted much attention due to the abundance of sodium and the low cost of such batteries. Electrodes with high Na+ storage capacity and cycling stability ...[Details]

     OPPO's first foldable screen mobile phone OPPO Find N will be released on December 15. After the official preview of the new phone many times, the whistleblower @evleaks has just exposed some of...[Details]

For circuit designs that use complementary bipolar transistors , it is sometimes necessary to screen NPN and PNP transistors that match their DC gain (β). An example of such a circuit that requires ma...[Details]

On August 18, Shenzhen Metro Line 10 was officially opened, full of technology and extraordinary popularity. Along with this important support for Shenzhen to achieve the "Eastward Strategy" and "Sou...[Details]

In a recent report, SWEYNTOOTH pointed out that when testing the SDK of the BLE SOC chip, it was found that attackers could trigger the BLE SOC chip protocol stack to deadlock, crash, buffer overflow...[Details]

The clock system is the pulse of the CPU, just like a human heartbeat. The clock system of STM32F4 is relatively complex, unlike the simple 51 microcontroller where one system clock can solve everyth...[Details]

Countdown timers are very useful in life. If you make your own with a single-chip microcomputer, not only is the circuit simple, but the functions can be designed according to your needs. There are m...[Details]

Demodulators, directional circuits, and other electronic applications often require two sine waves that are 90° out of phase: a sine wave and its cosine wave. Engineers often use analog f...[Details]

Recently, Shenzhen Vitality Laser Technology Co., Ltd. (hereinafter referred to as "Vitality Laser") obtained nearly tens of millions of yuan in angel round financing, led by Qianhai Seed Fund Huaize...[Details]

LED backlight technology: Technically speaking, there are two main types of LCD TVs: side-lit and direct-lit. Although both technologies have their own advantages, considering the cost and ot...[Details]

Common-mode currents in non-isolated power supplies can be a source of electromagnetic interference (EMI), but have you ever tried to eliminate them? In some high-voltage power supplies, such as t...[Details]

　　In today's electronic product designs, precise current amplitude measurement is key to achieving maximum power efficiency. Current probes provide the industry's best measurement sensitivity and can...[Details]

The content of this article mainly focuses on the connotation, function, scale, perspective and data source of autonomous driving vehicle testing scenarios. 01. Scenario elements and sce...[Details]