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In the early morning of September 11, Apple held a new product launch conference and officially released three new iPhones. At the same time, Apple also made adjustments to the old iPhone models. For...[Details]
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1. Problem description: Use STM32CubeMX to configure SDIO mode and read the SD card information. 2. Actual operation: (1) CubeMX software interface configuration: I. First, select the Pinout interf...[Details]
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A few days ago, a netizen bought a computer from my i store and talked about the problems he encountered when porting ucosii. At first, I could only successfully port ucosii to istm32 and then start i...[Details]
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Why is the 775 motor so famous?
The 775 motor is well-known for its high cost performance and wide applicability. Here are a few reasons:
High cost performance: The 775 motor is relativel...[Details]
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Various types of crystal oscillators can be seen on the motherboard. They sit quietly in their suitable positions, work hard, and silently stick to their posts. Crystal oscillators are small in size ...[Details]
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With advantages such as energy saving, long service life and rich color combinations, LED has become one of the fastest growing semiconductor fields, with a compound annual growth rate (CAGR) of up...[Details]
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Recently, Qingdao Microelectronics Innovation Center Co., Ltd. completed the Pre-IPO round of investment in Goertek Microelectronics Co., Ltd., with an investment amount of approximately RMB 550 mill...[Details]
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This paper introduces a novel optical system of optical fiber liquid level sensor, which adopts symmetrical compensation structure with coaxial transmission and reception technology to realize all-...[Details]
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在过去汽车是一个独立的系统,相对来说是比较安全,外部也是很难受到相应的攻击。可是随着网联化的引入,车载OBD、智能充电以及跟OTA系统和蓝牙无线的引入,整个系统就不再安全,就需要采用相应的技术确保车辆的安全。但是在确保整个技术落地的过程中,需要有相应的工具做相应的开发和测试。过去在整个系统做开发的过程中,相关数据“明码”,并没有进行加密,所以任何工具都可以拿到相关的数据,可以进行相应的数据读写,...[Details]
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I2C Bus Protocol Overview: I2C (Inter-Integrated Circuit) bus is a two-wire serial bus developed by PHILIPS, used to connect microcontrollers and their peripherals. It is a bus standard adopted by th...[Details]
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3. Wearable wireless network core technology
Although wireless LAN technology is relatively mature and can be used as the basis for developing wearable wireless networks, it still needs to solve ...[Details]
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Abstract: This paper combines the design practice of infrared communication in multi-rate electric energy meter, introduces the software and hardware design method of infrared communication in single...[Details]
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introduction TL431 is a three-terminal adjustable precision voltage reference integrated chip with good thermal stability. It has the characteristics of small size, low price and excellent performanc...[Details]
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At the heart of the Chevrolet Volt sedan lies a sophisticated power pack management system that ensures the safety and reliability of the multi-cell lithium-ion battery pack that powers the Volt's ...[Details]
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The use of photocouplers in audio amplifier circuits not only plays a role in signal isolation and prevents inter-stage interference, but also can amplify audio signals. Photocouplers can be equivalen...[Details]