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When I used the 51 microcontroller recently, I needed to set the baud rate of the serial port in multiple ways. I wrote it down first. When the crystal oscillator is changed, I can adjust it by changi...[Details]
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This is the second chapter of the series on how to choose a suitable oscilloscope. It is not a complete selection guide, but a summary of my research. It may introduce some details that you have neve...[Details]
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Steer-By-Wire can obtain the relationship between the command target input of the driverless turning and the change of the steering wheel of the car without restraint, and can control the relations...[Details]
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1 Introduction After high-frequency switching power supplies entered my country in the 1980s, they entered my country's postal and telecommunications, power departments and other fields in large...[Details]
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A logic analyzer is an instrument that analyzes the logical relationships of digital systems. A logic analyzer is a type of bus analyzer that belongs to the category of data domain test instruments ....[Details]
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According to Roland Quandt of foreign media WinFuture, Qualcomm seems to be developing a cheap processor based on Snapdragon 888 (SM8350), code-named SM8325, which does not support 5G modem. ...[Details]
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introduction
At present, the power of a single high-power LED chip is about 1 W. To build a higher-power LED lamp, multiple
LED chips
must
be combined. The luminous flux of the LED ...[Details]
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1. LED lights flash at different frequencies Next, we take the following LED light flashing code as an example to change the delay length to see the effect of the LED light. void setup() { pinMode(...[Details]
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#include "uart2440.h" #include "def.h" #include "2440addr.h" #include "led2440.h" //Introduce LED #define UART_CLK 50000000 // Set the clock source of UART0 to PCLK #define UART_BRUD(baud) { rU...[Details]
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According to the latest announcement of the National Science and Technology Awards Office (No. 65), the "Complete set of technologies and industrial development of micro-iron high-transmittance gla...[Details]
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1. System composition
The system block diagram of the voice/text SMS wireless transmitter is shown in Figure 1. It consists of integrated circuits MC1648, MC145152, MC12022, a phase-locked loo...[Details]
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After a year, the Federal Trade Commission (FTC)'s investigation into Facebook's privacy issues is about to come to an end. The Wall Street Journal believes that this will be a decisive moment that i...[Details]
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Each GPIO port has two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH) to control the high and low eight bits of each port respectively. If the IO port is 0-7, write the CRL register, if the ...[Details]
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Overview
The voltage drop between the current monitor and the avalanche photodiode (APD) varies with temperature and the current flowing through the photodiode. Therefore, in fiber optic tra...[Details]
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After you have written a program, you can see the program's instruction set through software debugging. From the instruction set you can understand how the microcontroller works internally, such as t...[Details]
FPGA/CPLD
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