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introduction With the improvement of people's living standards, cars have gradually entered families, but the increasingly rampant car theft cases are also on the rise. How to effectively ...[Details]

Reducing the cost of LED lamps LED chips account for the main part of the cost of LED lamps, so the main way to reduce the cost of LEDs is to reduce the cost of LED chips. The key...[Details]

The switching power supply is a power supply that uses a circuit to control the switch tube to conduct and cut off at high speed, converting direct current into high-frequency alternating current a...[Details]

    IBM recently released its new year's "5-in-5" report, looking ahead to the five major technology trends in the next five years. The report also stimulated its stock price to rise, but the company...[Details]

At a critical time when ternary lithium batteries encounter bottlenecks, major automakers have placed the future development of electric vehicles on solid-state batteries. The advantages are very obv...[Details]

Today we will talk about how to use PLC to realize simple handling actions. This example perfectly uses the instructions of sequential control. It is really convenient to apply it in practice, and ...[Details]

Receiving timing signal generation circuit As can be seen from the figure, the method of generating the timing signal is the same as the sending timing signal, so the waveform is omitted. It sho...[Details]

Determine the PLL process:  1. Determine the CPU frequency                 Fcclk  2. Determine the crystal frequency         Fosc, Fcclk must be an integer multiple of Fosc.  3. Calculate th...[Details]

/* ********************************************************************************************************************************** * Name : STM8S HALT mode and AWU wake-up * Author : MingMing * Re...[Details]

According to foreign media reports, a research team composed of material scientists and chemists has determined the optimal stack pressure that lithium metal batteries (LMBs) need to withstand during...[Details]

This article gives a detailed introduction to the important role of pull-up resistors in microcontrollers. I believe that after reading this article, everyone has a certain understanding of why pull-u...[Details]

General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a sw...[Details]

Abstract: This paper analyzes the power supply characteristics of electronic single-phase and three-phase watt-hour meters, proposes design methods and precautions, and provides solutions to users'...[Details]

Li Ting, our reporter On September 13, CATL released a commercial battery product for buses. The battery has a capacity density of 175Wh/kg and a battery life of 15 years and 1.5 million kilometers. F...[Details]

1. A brief introduction and implementation of exceptions and interrupts There are a total of 7 modes in S3C2440 (as shown in Figure 1), among which there are 5 exception modes: svc (management mode),...[Details]