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Require: 1. Set three scales: bass, middle and treble control buttons; 2. Design the sounds 1, 2, 3, 4, 5, 6, and 7 (Do-Re-Mi method to search for laxity); 3. Be able to play a simple nursery r...[Details]
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The upcoming Galaxy A13 will be Samsung's cheapest 5G phone. The phone is the successor to the Galaxy A12 and should be more affordable than the currently available Galaxy A22. It is expected to be l...[Details]
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The Eagle power amplifier circuit adopts a fully complementary symmetrical push-pull circuit, which has the advantages of stable performance, large dynamic range, etc., and is low-priced and made of s...[Details]
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Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not produce intolerable electromagnet...[Details]
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China Energy Storage Network News:
At 8:22 on January 20, the first batch of 240MW projects of Zhangbei County's "Internet +" smart energy demonstration power station, built by Hebei Engineer...[Details]
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According to Bloomberg, Apple is said to be planning to produce 220 million iPhones in 2022, which is roughly the same as last year, but the initial market forecast was 240 million units. IT ...[Details]
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In the face of increasingly severe environmental problems, garbage classification has gradually entered the lives of the general public. In recent years, many cities in my country have implemented ...[Details]
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Apple has decided to invest about $100 million (about RMB 690 million) in Japan Display (JDI), a large LCD panel manufacturer that is in the process of restructuring. Apple is a major customer that a...[Details]
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With the deepening of network transformation, a new switching network based on soft switching and IP as the core has emerged. Of course, network transformation does not mean the complete abandonm...[Details]
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On March 22, State Grid Tianjin Electric Power Company launched a research project on comprehensively promoting the construction of ubiquitous power Internet of Things. This is an important project...[Details]
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Systick initialization is usually placed in the creation of the first task, specifically at the beginning of the first task after OSInit(); In the early version of the library file, there are two fil...[Details]
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In April 2020, the application for listing on the Science and Technology Innovation Board of SiRuiPu, a chip company invested by Huawei, was accepted. This is the first project invested by Huawei to ...[Details]
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I2C bus protocol program When I was making the program, I found Zhou Ligong's program on the Internet. I felt it was pretty good, so I reposted it. When using it, you must pay attention to the issues...[Details]
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introduction
The access control system is a modern security method used to protect the property and personal safety of the people. With the development of society and the advancement of science...[Details]
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To jump from assembly to C you must use an absolute jump:
Project code:
Add main.o to Makefile:
Start.S:
Make compile:
Main.c code:
#...[Details]
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