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In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
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The Sino-US trade war has already started. Trump's series of actions have had a negative impact on the global economy, such as increasing tariffs on Chinese companies and restricting domestic compa...[Details]
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1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
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1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
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In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
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In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
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In simple terms, high-end chips solve many complex problems, mid-range chips solve a single complex problem, and low-end chips solve a simple problem. Let's learn more about the relevant content wi...[Details]
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Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
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stm32cubeMX graphical configuration content STM32CubeMX is part of the original STMCube initiative from st microelectronics, and STM32Cube includes STM32CubeMX. STM32CubeMX is a graphical software co...[Details]
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Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
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1. Test environment description Hardware platform: NUCLEO-F767ZI development board (STM32F7, Cortex-M7, 216MHz, 2MB Flash, 512KB SRAM) Operating system: FreeRTOS v9.0.0 (CMSIS-RTOS v1.02) TCP/IP p...[Details]
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LAN8720 test code arrangement 1. Modified based on two projects, namely "Experiment 55 Network Communication Experiment" of Zhengdian Atom ATK and "STSW-STM32070" routine of ST official The hardware ...[Details]
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1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
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Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
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From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]