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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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At present, the PIC series of microcontrollers produced by Microchip have quickly occupied the domestic market with its low cost, low power consumption, high performance, fast development speed and on...[Details]
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The last article "STM32 RVMDK Quickly Create Project" actually directly uses the keil installation library to create a project. I think you should not use the downloaded firmware library to create...[Details]
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Oscilloscopes are electronic instruments that are frequently used by electronic engineers for daily testing and measurement. Speaking of oscilloscopes, the first thing that everyone can think of must...[Details]
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The principle of LED light emission is solid light emission. According to the principle of solid light emission physics, the spectrum of LED is almost entirely concentrated in the visible light band, ...[Details]
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How bone conduction headphones work.
There are two ways for sound to propagate, one is through the air, and the other is through a certain medium. The traditional headphones we use mainly tran...[Details]
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The hello world program is a must-have for beginners of every language. Here is a brief source code in assembly form:
And rough notes. You can check the function of interrupt 21 on the Internet. I ...[Details]
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The power supply of the power amplifier needs to use a "large pond" filter capacitor. Because large-capacity capacitors have large inductance, small-capacity capacitors are connected in parallel to...[Details]
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The internal resistance of the brushed DC motor was directly measured using the ohmmeter of the multimeter, and it was found that the internal resistance of the motor was much larger than the resista...[Details]
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Ⅰ. Write in front Before studying this article, you can check out my previous articles: STM32CubeMX introduction, download and installation STM32CubeMX usage and function introduction This arti...[Details]
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The development of MEMS
technology has led to a profound change in the field of inertial technology. Inertial sensors are a type of sensor that uses the inertial properties of...[Details]
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Will the wide-bandgap material gallium nitride (GaN) lead the way in RF power devices and make gallium arsenide (GaAs) and LDMOS (laterally diffused metal oxide semiconductor) devices yesterday's new...[Details]
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The driving circuit consists of a buffer U, resistors R2, R3 and a pair of low-power switching transistors B1 and B2. When the control signal is at a low level, the non-inverting buffer U outputs a l...[Details]
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In order to accelerate the development of the entire vanadium liquid flow battery industry chain of Yongtai Energy Group Co., Ltd. (hereinafter referred to as the "Company"), enhance profitability,...[Details]
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What is a contactor?
They are electromechanical switches that, while similar to relays, perform heavy-duty applications that require higher current carrying capabilities. Contactors provide lo...[Details]
Analog electronics
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