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The design is based on 51 single-chip microcomputer and uses 1602 LCD for display. The frequency measurement method uses equal-precision frequency method. The external pulse is used as the start sign...[Details]
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As e-commerce continues to grow, various shopping carnivals are also increasing. Whether it is "Double 11", "618", "Black Friday" or "Double 12", the transaction volume of the platform is rising stea...[Details]
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Most of this program is official information from Xinhualong Company. I have modified it slightly, simplified a lot of codes, and added several waveforms. You can switch by just pressing the P1.4 key...[Details]
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Google today released its second and likely final Android 13 developer preview, which includes an important new feature: apps must get user consent before sending push messages. "Apps targe...[Details]
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2 Filtering
Filtering is usually achieved using three types of devices: decoupling capacitors, EMI filters, and magnetic components.
2.1 Decoupling capacitors
We have analyzed be...[Details]
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Samsung Electronics will stop producing the Galaxy Note series this year. It has been confirmed that the series has been excluded from Samsung Electronics' annual smartphone production plan for 2022....[Details]
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This paper presents a stereo audio interface design based on the Kinetis MK60N512 microcontroller and the 16-bit/24-bit audio digital-to-analog converter MAX5556. The MK60N512 transmits audio data ...[Details]
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First, the purpose
I have done an experiment before, moving the first 4k code in Nand Flash to the specified location in memory.
The 4K code starting from 0x40000000 in SRAM is copied to the spe...[Details]
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With the continuous deepening of the digitalization of electronic systems, people's requirements for the playback of musical signals are getting higher and higher. Therefore, low-distortion, high-effi...[Details]
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LEDs were produced as early as the 1960s. In the 1980s, they were widely used in household electrical appliances, such as audio volume indicators and switch indicators. In the 1990s, some new domesti...[Details]
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STM32 is equipped with two advanced timers TIM1 and TIM8, four general timers TIM2, TIM3, TIM4 and TIM5, and two basic timers TIM6 and TIM7. Advanced timers are often used in motor control because th...[Details]
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By Bruce Haug background knowledge There are signs that the revolution of self-driving cars is about to come. Automotive companies are working with tech giants such as Google and Uber, as well as...[Details]
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On October 10, the Beijing Office of the Guangzhou Municipal People's Government and the Nansha District of Guangzhou jointly held a special promotion event in Beijing titled "Building Dreams in Nansh...[Details]
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Recently, Professor Lu Wei's research group at the School of Physical Science and Technology at ShanghaiTech University has made important progress in the direction of photon-magnon interaction and s...[Details]
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What is Embedded Software?
Embedded software is the operating system and development tool...[Details]