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Brakes have been playing the role of brakes silently for more than a century. At most, some performance cars will add some color to the brakes, using brake calipers painted in red, yellow or blue. BR...[Details]
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At present, the role of digital economy as a new driving force for economic growth is becoming increasingly prominent. The Party Central Committee and the State Council attach great importance to the...[Details]
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1. Working Principle
This circuit consists of a startup, reset circuit, multivibrator circuit, frequency division counting circuit, decoding display circuit, etc. As shown in the following figu...[Details]
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The role of the watchdog: When starting normal operation, the system cannot be reset. In the case of system crash (abnormal program execution), the system is reset and the program is re-executed. S...[Details]
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Digitimes reported today that Samsung Electronics has recently launched a rare internal investigation into its own foundry yield rate. Industry insiders said that in addition to conducting an in-dept...[Details]
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uTenux now supports almost all mainstream cortex M development boards, such as: ATMEL, Cypress, Freescale, Infineon, Nuvoton, NXP, SiliconLabs, Spansion, ST, TI. uTenux supports three development env...[Details]
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A current monitoring circuit suitable for lithium batteries is proposed. The current is sampled by introducing a sensitive resistor in the lithium battery power supply loop, and the clock-control...[Details]
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Wireless Local Area Network (WLAN) is the fastest growing area of mobile communications. In the past few years, wireless network technology based on IEEE802.11b has achieved great success, driven by...[Details]
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The sound box is also called the speaker system, which is an extremely important part of the sound system. Because the sound quality of the sound box has a great impact on the entire sound system. ...[Details]
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A timer is a relay that operates according to time, which is equivalent to a time relay in a relay control system. A timer can have many normally open contacts and normally closed contacts, and its...[Details]
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Voice assistants and integrations have been implemented in most products, devices, and technologies hitting the market. That being said, it’s no secret that these helpful voice assistants are alway...[Details]
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Since Kurbativ et al. first prepared semiconductor SLED in 1971, SLED has achieved amazing development. Especially in recent years, it has been widely used in fiber optic gyroscopes, fiber optic se...[Details]
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At the southern foot of the Helan Mountains, white wind turbines rise from the ground and dance in the wind. Iron towers are rooted in the Gobi Desert, continuously transporting the huge energy her...[Details]
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With the trend of electronic systems and modules in modern automobiles, the penetration rate of electronic control execution systems continues to increase; with the development of electric vehicles,...[Details]
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I have used Qemu to run/debug arm linux several times, but I forgot about it after a while. I had to look up the information again every time, which wasted a lot of time. This time I made the whole...[Details]
PCB Design
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