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LED energy-saving lamps are powered by a typical AC capacitor step-down constant current circuit. Although the power factor of the 24 LED energy-saving lamp kits here is only about 3.3, they are ve...[Details]

diode: Direct plug LED positive and negative pole judgment: 1: Judge by the length of the pin of the direct-inserted light-emitting diode. The longer pin is the positive pole and the shorter pin is t...[Details]

The inverter is an electronic device widely used in motor drive control. It controls the motor movement by adjusting the motor speed and torque. It plays an important role in various fields of mode...[Details]

    On May 27, Broadcom showed a vehicle Ethernet demonstration system (Demo) to multiple media outlets, and based on the system, explained the relevant technologies and future development prosp...[Details]

I. Introduction For some background knowledge (for example: why Device Tree is introduced and what problem this mechanism is used to solve), please refer to the reasons for introducing Device Tree . ...[Details]

On July 25, a press conference in Henan reported that Zhengzhou’s mobile communication network has fully returned to normal with the restart of 25,272 base stations. According to preliminary statisti...[Details]

For, I don’t want to check the kernel’s built-in drivers one by one, but I want to write the driver myself. 1. Make menuconfig removes the compilation to the kernel and changes it to M to compile as ...[Details]

Mouser Electronics Sponsors 2021 ON Semiconductor Power Webinar October 21, 2021 – Mouser Electronics, an electronic component distributor focused on introducing new products to drive industry inno...[Details]

The power management scheme of electric vehicles involves many parameters such as the working conditions of the engine, motor, battery, vehicle speed, driving resistance and driver's operation. Using ...[Details]

This week, TrendForce released its forecast rankings for global foundry manufacturers in the third quarter of this year, mainly introducing the revenue, year-on-year growth, and market share of the t...[Details]

Specific implementation functions Specific functions: (1) The first line of the LCD displays the actual humidity, and the second line of the LCD displays the current time; (2) Button description:...[Details]

As data becomes the driving force of business, protecting data from loss, damage and theft has become more important and has risen to the top of the agenda for business executives. Malware is...[Details]

There are more and more electric vehicles on the road , but many drivers do not know what to do and what not to do in the event of a collision. At the same time, the use of batteries and motors als...[Details]

Usually, the 31/2-digit and 41/2-digit digital ranges are designed based on the principle of measuring capacitance using the capacitive reactance method. Experiments show that when the measured induc...[Details]

Many people may have been paying attention to the high-performance chips in the automotive industry . The next step is to move towards the central chip for cabin-driver integration, ...[Details]