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1 Introduction There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market ...[Details]
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/***************The clock adopts the timed interrupt mode, 50MS once******Completely available, the hardware experiment passed**********************/ #include REG51.H #include stdio.h ...[Details]
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OPEN MIND is celebrating its 25th anniversary. The hyperMILL CAD/CAM suite is a success story that is closely tied to 5-axis technology, which was largely developed independently by OPEN MIND. Despit...[Details]
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A report recently released by IHS Markit said that chip sales fell nearly 14% in the first half of 2019, the biggest drop since 2009. The report noted that major chip suppliers suffered their wors...[Details]
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A Ponzi scheme or a great invention? A report in Nanyang Daily made the "water hydrogen generator" a hot topic among media and netizens last weekend. The report mentioned that "the water hydrogen eng...[Details]
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The RS232 standard was born before RS485, but RS232 has several shortcomings: The signal level of the interface is relatively high, reaching more than ten V. Improper use may easily damage the inter...[Details]
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Which one is better, the 9205 or 890c multimeter? The comparison should be done from two aspects: one is the parameters of the two, and the other is which one is suitable. Since the naming method o...[Details]
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Summary: The quality of Wi-Fi connection can make a world of difference to the user experience of IoT products. A good Wi-Fi connection depends on four factors: long communication distance, high thro...[Details]
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锂离子 电池 可为智能手机、电动汽车等提供动力。随着科技的进步，这种电池发生了显著的变化，并彻底改变了我们的世界。下一步需要开发更好的电池，为电子设备提供更持久的动力。提高电池性能的一种有前景技术，是在正极材料中对阳离子进行原子取代。然而，要系统地进行实验，并确定理想的不同替代基阳离子，过程复杂且成本高，只能通过模拟来缩小选择范围。 (Image source: phys.org) P...[Details]
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With the development of power semiconductor device technology, the high power-to-volume ratio and high efficiency of switching power supplies have made them widely used in modern military, indust...[Details]
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Recently, foreign media reported that the screens of OLED supplier BOE failed to pass the quality inspections of multiple manufacturers and may not be able to be used in the Apple iPhone 12 that is a...[Details]
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Volkswagen recently gave a sneak peek at one of the key components of its electric vehicles: the battery system. In the case of the MEB platform, it's an all-new modular battery pack that looks like ...[Details]
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1. Equipment name and model Thermal conductivity tester Thermal resistance and thermal conductivity testing equipment LW-9389 2. Principle The sample is placed between the hot end and the cold end ...[Details]
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1. Overview of CS5265 The Capstone CS5265 USB Type-C to HDMI converter combines a USB Type-C input and a digital High Definition Multimedia Interface (HDMI) output. The embedded microcontroller (MCU)...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]
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