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1. Understanding LCD1602 Liquid crystal display is referred to as liquid crystal or LCD. Various types of liquid crystal are usually named according to the number of rows of displayed characters or t...[Details]
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Intelligent traffic management system is the development trend of road traffic management in the 21st century. Using network and GPRS communication, the license plate automatic recognition monitoring ...[Details]
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0 Introduction
ISD series voice circuit is a patented new product of ISD (Information Storage Device) in the United States. This device breaks the traditional A/D first and then D/A mode, ...[Details]
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1. Program Naming Standards
The program file name consists of two parts: one is the product model or function description, and the other is the software version number. The product model is describ...[Details]
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The chip used is stm32f103c8t6. Today, when debugging the board, I found that the LED light on the PA15 port only has an intermediate level of 2.3V regardless of whether the output is high or low. La...[Details]
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0. Preparation before the experiment
a) Connect the serial port adapter
b) Download the original program of IO and serial port, and compile it to ens...[Details]
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Tesla opens its charging stations in the US Beijing time, February 16th, U.S. President Biden and Tesla CEO Elon Musk have always had a bad relationship, but on Wednesday local time, the two made ...[Details]
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The output ripple of the switching power supply mainly comes from five aspects: input low-frequency ripple, high-frequency ripple, common-mode ripple noise caused by parasitic parameters, ultra-h...[Details]
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The International Energy Agency (IEA) estimates that electric motors consume more than 45% of the world’s electricity. Therefore, it is critical to find ways to maximize the efficiency of their opera...[Details]
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Light Emitting Diode (LED) is an energy conversion device that can convert electrical energy into light energy. It has the advantages of low operating voltage, low power consumption, stable performa...[Details]
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At the recent Apple conference, the iPhone series, iPad series, and Apple Watch series all received product line updates. However, due to Apple's increasingly weak confidentiality in recent years, mo...[Details]
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September 3, 2019 marks the first anniversary of the restart of UHV.
A year ago, on September 7, 2018, Nengjian was the first in the market to disclose that the National Energy Administration ...[Details]
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The capacitor step-down circuit is a common low-current power supply circuit. It is also often used in LED drive circuits due to its advantages such as small size, low cost, and relatively constant...[Details]
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Most 1-Wire devices operate from a 2.8V to 5.25V VPUP for read and write operations. EPROM devices, including the DS2406, DS2502, DS1982, DS2505, and DS1985, require a 12V programming pulse for write ...[Details]
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"Next year, Chery will have to be more aggressive in its intelligentization! It must be at the top of the industry!" On October 18, Yin Tongyue, Secretary of the Party Committee and Chairman of Che...[Details]
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