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program :
/**
* Read IO, use buttons to control lights.
*/
#include
#include
// 10 LEDs
sbit P10 = P1^0;
sbit P11 = P1^1;
sbit P12 = P1^2;
sbit P13 = P1^3;
sbit P14 = P1^4;
sb...[Details]
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When working on a multi-function MP3 player based on STM32, I drew on the one-key download circuit on the Zhengdian Atom development board for the program download part, and used the CH340G chip desi...[Details]
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With the development of society, parents pay more and more attention to the growth and development of their children during infancy. They need to invest more time and energy in taking care of thei...[Details]
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1. introduction
In the past decade, the frequency range of shielded rooms used as microwave experimental infrastructure has been continuously expanded. The high-end frequency has increased from 1...[Details]
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Samsung Institute of Technology (SAIT) recently successfully developed a new solution to increase the capacity of lithium batteries, using a combination of graphene and silicon anodes. It ...[Details]
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As the COVID-19 prevention and control situation in various countries and regions in Asia gradually improves, the economy and production have recovered. As a comprehensive service platform for the au...[Details]
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On December 18, the 2019 Xi'an Integrated Circuit Industry Summit was held. At the meeting, SMIT Group (Shenzhen) Co., Ltd., AMEC (Shanghai) Co., Ltd., Shaanxi Semiconductor Pioneer Technology Center...[Details]
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IBM started researching metal-air batteries seven years ago. How well do they perform? What are the obstacles to mass production?
Many people may not realize that IBM has been researching b...[Details]
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Project case operation:
This case is about connecting the data of Danfoss inverter to Siemens 1200PLC through Netess' Modbus to Profinet gateway device. The devices used are a Siemens 1200PLC,...[Details]
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From the previous uboot code analysis, we know that the uboot startup has three steps: BL0, BL1, and BL2. Since BL0 is a fixed program provided by the manufacturer, it does not need to be considere...[Details]