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I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
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When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
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With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
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From the functional classification, it can be divided into: 1. Active control ADAS: ACC/AEB/LKS, etc. 2. Warning ADAS: FCW/LDW/PCW, etc. 3. Other auxiliary ADAS: BSD/ADB/panora...[Details]
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12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
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Caijing reporter exclusively learned that
Huawei
will merge and reorganize a number of departments in the near future. Some cloud-related business lines will be incorporated into the Cloud ...[Details]
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China Energy Storage Network News
: On January 26, the second theme maker camp "Energy Internet Town" of the "Xiongdian Acceleration Maker Space" of the Xiong'an New Area Power Supply Company...[Details]
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According to the design requirements, the maximum voltage gain ≥ 60dB is achieved within a wide signal bandwidth (0-10MHz), and the ability to continuously adjust the gain or preset the gain in 5dB...[Details]
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The following are several programming examples for driving the buzzer under S3F9454/9444 for reference. A. The first one is the ordinary IO high and low level driving method ...[Details]
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Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]
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In 2017, there were many ups and downs, countless business opportunities and crises, and a market that produced countless news at every moment. Here, the industry was changing rapidly, and geniuses...[Details]
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1. What is RS-232 interface?
(1) History and function of RS-232
In serial communication, both parties are required to use a standard interface so that different devices can be easily conn...[Details]
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MCU model STC 89C52RC #include reg52.h #define RldTmr(fr) 65536 - (11059200 / 12) / (fr 1) #define FuDian(n) (n 1) / 3 //Conversion of dotted nth note typedef unsigned char UCHAR; ...[Details]
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The interrupt function of RM is defined in the startup code. When allocating the interrupt vector table in the CODE area, the interrupt function is defined. ; Vector Table Mapped to Address 0 at R...[Details]
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1. The code of the operating system software cannot be too long. Since the system hardware resources of the 51 series microcontrollers are relatively scarce, if the code of the operating system is...[Details]