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The STM32 startup code mainly allocates the stack and sets the vector table, and then jumps to the __main function. The specific code segment to jump to is as follows: Reset_Handler PROC ...[Details]
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introduction
Monitoring technology plays a vital role in the security of political, industrial and cultural facilities. The monitoring system is an important part of the security system. It has...[Details]
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Regarding LED lighting, there are several things to note:
1. LED brightness is different, the price is different. LED used in LED lamps should be suitable for laser class I standard.
2. L...[Details]
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Traditionally, PFC (power factor correction) offline power converters are designed with two power stages: The first power stage is usually a boost converter, because in this topology there is ...[Details]
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If you have only used an iPhone, you may think that NFC is a useless feature that can only be used to bind a card. This is not the case. The full name of NFC technology is "Near Field Communication T...[Details]
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1. AC LED is not a fundamental change in the device.
In other words, there actually does not exist an LED chip that works with an alternating electric field mechanism. The AC LED that is n...[Details]
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Rechargeable batteries have become
a standard
power source
for today's
electronic
products
, especially portable devices: laptops, handheld navigation devices, cell phones, etc. These...[Details]
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Recently, the "Guizhou Power Grid Company 2020 Clean Energy Consumption Special Action Plan" (hereinafter referred to as the "Plan") was issued, clarifying the working principles, key tasks and gua...[Details]
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The "streaming media rearview mirror" that uses cameras and display screens instead of the interior rearview mirror has become an important configuration for many luxury and independent brands to fla...[Details]
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June 10 news, 3D printing has long been favored for its ability to reduce manufacturing costs, especially for small-batch production. However, traditional 3D printers are often bulky, heavy, and ne...[Details]
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24C02 memorizes the number of boot times, and the address for storing the number of boot times is 00H. When doing this experiment, first use the address clearing program to clear 00H to 0, and then do...[Details]
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Lithium-ion battery is a new type of rechargeable battery developed in the past decade. It has high specific energy, no memory effect, is green and environmentally friendly, and its discharge voltage...[Details]
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As the world's leading inspection, testing and certification organization, and the world's largest automotive inspection, testing and certification organization, DEKRA Group has always regarded auto...[Details]
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0 Introduction
The impact of electric railway traction load on the power system is mainly reflected in power factor, negative sequence and high-order harmonic current, etc. The problem of ...[Details]
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The function of the serial port is to receive and send data. In the previous section, we have learned about the pin signals of the serial port. However, the sending and receiving of data requires c...[Details]
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