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Beijing time, February 24th morning news, it was reported that on Wednesday local time, Ford CEO Jim Farley said at the Wolf Research Conference broadcast live on the Internet that there are no plan...[Details]

A chip (also called an integrated circuit) is a small silicon wafer containing an integrated circuit. In electronics, it is a way to miniaturize circuits (mainly semiconductor devices, but also pas...[Details]

Owon b33+ Bluetooth multimeter, recorder + multimeter + temperature meter, the price of buying a multimeter is equivalent to owning a combination of three machines. Let's take a look at some beautifu...[Details]

In the header file "stm32f10x.h":  #define HSE_Value ((uint32_t)8000000) /! Value of the External oscillator in Hz/  The italic content defaults to 8000000. When you modify the external crystal oscil...[Details]

The "Key Points for Professional Work on Smart Electricity Consumption in 2020" of the State Grid Marketing Department was recently released, which mainly clarified the work objectives in two aspec...[Details]

Trigger holdoff time: The time the oscilloscope waits to re-enable the trigger circuit. During the holdoff period, the trigger circuit is closed and the trigger function is suspended. Even if there i...[Details]

This week, Microsoft's stock price in the U.S. broke through $400. As of January 25, Microsoft's (MSFT) stock price was 404.87, and its total market value exceeded $3 trillion. While surpassing App...[Details]

Heilongjiang Electric Power Research Institute is actively cooperating with domestic universities and equipment manufacturers to study the core technologies and supporting equipment of photovoltaic po...[Details]

      Despite being hit from all sides, Huawei is still moving forward firmly at its own pace. For example, the next-generation flagship P50 series will be launched as scheduled at the beginning of n...[Details]

Computer manufacturers, platform developers and even Facebook are all talking about extended reality (XR), a new term that includes virtual reality (VR), augmented reality (AR) and mixed reality (MR)...[Details]

LPC2478 external interrupt The external interrupt model of 2478 is as follows That is to say, port 0 and 2 support external interrupts, EINT0-2 are interrupts for three independent pins, and EINT...[Details]

移相控制的全桥PWM变换器是最常用的中大功率DC／DC变换电路拓扑形式之一。移相PWM控制方式利用开关管的结电容和高频变压器的漏电感或原边串联电感作为谐振元件，使开关管能进行零电压开通和关断，从而有效地降低了电路的开关损耗和开关噪声，减少了器件开关过程中产生的电磁干扰，为变换器提高开关频率、提高效率、减小尺寸及减轻质量提供了良好的条件。然而，传统的移相全桥变换器的输出整流二极管存在反向恢复过...[Details]

    The ARM7Thumb series processors are a series of high-performance, low-power 32-bit RISC processors that combine the Thumb16-bit reduced instruction set. The excellent code efficiency achieved by ...[Details]

Function of the circuit If you want to use the 555 chip to form a long-time timing circuit, you can use a high resistance value for R to lengthen the CR time constant. However, ...[Details]

In the previous section, we talked about how to implement the tasklet mechanism http://blog.csdn.NET/morixinguan/article/details/69666935 In this section, we will implement th...[Details]