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1. When I followed the example to create my own project, there was undefined in the GPIO library file, etc. When we first started learning to create a new project, we should pay attention to Defined ...[Details]
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The IO port of STM32F4 is introduced in detail in Chapter 6, and the interrupt management group management is also explained in detail in the previous chapter. Here we will introduce the interrupt fu...[Details]
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With funding from Intel and MIT's Center for Integrated Circuits and Systems, researchers have created a device that can achieve extremely high electronic control precision and focus a beam of THz el...[Details]
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When data is to be sent through the network card, the upper-layer protocol entity calls the function hard_start_xmit(). In our driver, this function is mapped to the DM9000_wait_to_send_packet() func...[Details]
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At the second quarter earnings conference, Tesla said that it was not necessary for Tesla to manufacture its own chips and would cooperate with suppliers. Tesla has already used a large number of cus...[Details]
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Based on advanced NVIDIA network, NVIDIA full-stack AI software and storage technology, the number of Grace Blackwell super chips in the cluster can be expanded to tens of thousands. Up to 576 Blackw...[Details]
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Random noise signals are very common in circuits. Sometimes we need to eliminate them, but sometimes we can use them to complete measurements. For example, we can test the effective bandwidth of an a...[Details]
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With the rapid development of video applications, data transmission traffic is growing exponentially, and higher data transmission rates are urgently needed. Therefore, low-cost twisted pair (TP) c...[Details]
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According to foreign media reports, Apple released an upgraded version of CarPlay software at its annual software developer conference on June 6. The new generation of CarPlay's in-car functions have...[Details]
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1. Contactless card reading principle This series of articles mainly discusses ID cards in the 125KHz frequency band. IC cards in the 13.5MHz frequency band are not within the scope of this article. ...[Details]
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Goal: Make a running lantern Paste the code first: Here is a little trick of C language: the program does not execute the program between #if0 and #endif, which is equivalent to commenting it out,...[Details]
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Basic concept of baud rate: Baud rate is a parameter to measure communication speed, which indicates the number of bits transmitted per second (from: http://baike.haosou.com/doc/5430972-5669264...[Details]
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In the design of high-voltage power conversion circuits, issues such as power supply noise, switching frequency, switching loss, power supply volume, and reliability have always been key. Compared ...[Details]
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Digital transformation has driven significant technological advances in recent years. Many innovations and emerging technologies have emerged in the infrastructure and operations (I&O) field, such as...[Details]
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my country has abundant wind and solar energy resources. After long-term research and unremitting accumulation, many new energy technologies and equipment manufacturing levels have become world-leadin...[Details]