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As a common display device, LCD has the characteristics of low power consumption, small size, light weight, and large amount of displayed information. Especially in portable devices, it occupies an ab...[Details]
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For many years, refrigerators have been used as storage and preservation space in the domestic market, and people's demand for refrigerators is also the most basic functions of freezing and freezing....[Details]
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ARM assembly instruction conditional execution In ARM mode, any data processing instruction can choose whether to update the ALU status flag in the CPSR register based on the result of the operatio...[Details]
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Photovoltaic concept stocks have been hyped up one after another, and the market is paying close attention to whether the industry can find a way to recover? Recently, the photovoltaic concept sect...[Details]
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Mutual, the world's largest supplier of soft and hard composite boards for mobile phone lens modules, was unable to withstand the Sino-US trade confrontation and Trump's strict control over Huawei. O...[Details]
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Main: STC89C54
From: AT24C02
Circuit Diagram
Timing Diagram
Below is the code
...[Details]
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According to statistics from IHS Markit, from 2016 to 2018, due to the development of the mobile phone industry, the CMOS imaging and optoelectronics market grew significantly, with most increases ex...[Details]
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Due to insufficient IO ports, it is necessary to reuse JTAG as an IO port and retain the SWD function to debug the program. The settings are as follows: GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGD...[Details]
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According to 9to5 Google, new evidence suggests that the Pixel 7 phone will unsurprisingly feature Google's second-generation Tensor chip. The Google Pixel 6 and Pixel 6 Pro, which went on sale today...[Details]
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This paper introduces a design scheme of a frequency meter, and applies this instrument to the measurement of the dome temperature of the 2.4m telescope in Lijiang, Yunnan Astronomical Observatory....[Details]
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Optimistic about the growth of smart terminals in emerging markets and the rising demand for networking, Antonio Viana, executive vice president of business and global market development at ARM, focu...[Details]
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Preparing for electromagnetic compatibility ( EMC ) emissions and susceptibility testing can raise your blood pressure. Will your product pass? Good design practices and relying on your intuition abo...[Details]
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Apple was in trouble: While the iPhone was selling like hot cakes, Mac sales were stagnant. The Mac’s design and performance didn’t impress customers. Five years later, however, Mac sales are soari...[Details]
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Among the many nondestructive testing technologies used in pipeline defect detection, ultrasonic guided wave testing technology has outstanding advantages such as long detection distance and fa...[Details]
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1. Introduction
Embedded systems are software and hardware complexes that can run operating systems, and the application software and operating systems of most systems are closely integrated. ...[Details]
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