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On November 6, the second day of the third China International Import Expo, TUV Rheinland Greater China (hereinafter referred to as "TUV Rheinland"), an international independent third-party testing...[Details]
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#include reg52.h #define uchar unsigned char #define uint unsigned int sbit key1=P3^2; //Press key1 to pause playback sbit key2=P3^3; //Press key2 to switch songs sbit fm=P3^7; //Buzzer serial IO p...[Details]
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The thermal design of headlights
is applied to products after the four major processes of basic design, detailed design, trial production test and design change (Figure 1). According to Ka...[Details]
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After installing keil 5 mdk, download c51v960.exe from keil official website, Specific steps 1. Enter the official website 2 3. After clicking C51, you will be asked to fill in personal informa...[Details]
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When using a microcontroller for serial communication, communication errors often occur, but no problems are found when checking the program. At this time, you can use an oscilloscope to observe whet...[Details]
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The time required for PIC18F4520 to run an instruction is equal to 4 machine cycles = 1us (4M crystal oscillator) Timer initial value setting: Take 5ms as an example TMR0H=(65536-5000)/256=0XEC; ...[Details]
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On December 7, China Resources Microelectronics released an investor survey report, predicting that the cumulative sales of MOSFET this year will be approximately 1.4 billion yuan, and the 8-inch pro...[Details]
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In college, many electronics enthusiasts like to make some small electronic products. As for the power supply method on the circuit board, 7805 and 7812 are the well-deserved kings of cost performanc...[Details]
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Previously, in "Synchronizing Clipboard between Android Devices and Windows PCs" , we used Python to implement a set of PC and Android Clipboard synchronization programs, in which UDP was used ...[Details]
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When I reviewed the book Operating Systems and saw the topic of process management, I remembered that I had spent a considerable amount of time to create an operating system of my own, but ended ...[Details]
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Autonomous driving has arrived, but it is also still far away from us. This contradictory statement reflects the invisible gap between technological innovation and actual implementation. We were am...[Details]
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With the rapid development of network information technology, the scale of 5G base station construction continues to expand. A customer is developing a 5G high-power base station project and uses a...[Details]
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#define _XTAL_FREQ 4000000 //晶振定义 #include pic.h //头文件包含 //__CONFIG(0x3b31);//芯片配置字定义 // CONFIG1 #pragma config FOSC = XT // Oscillator Selection bits (XT oscillator: Crystal/resonator on RA6...[Details]
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On March 23, 2021, Ecarx Technology and Volvo Cars, an internationally renowned luxury car manufacturer, jointly announced that they would establish a joint venture to jointly develop a new generatio...[Details]
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A general digital acquisition system is The captured on-site signals are converted into electrical signals through sensors. After sampling, quantization and encoding by the analog/digital converter A...[Details]
Microcontroller MCU
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