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Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
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0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
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Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
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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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Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[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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The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
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The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
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1 Introduction Due to the special working environment of coal mine production, the production process is more dangerous and unsafe than the general industry. With the continuous increase in c...[Details]
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Every era has anxiety that has nowhere to go. Let's follow the embedded editor to learn about the relevant content.
The anxiety of the post-Internet era is that if you don’t revolutionize ...[Details]
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On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
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In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]
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Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]
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According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
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Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]