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We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]
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Preface The scope and concept of the embedded world are extremely broad, ranging from ASIC to MCU. ASIC is a technology with great potential and innovation. Although its design is very expensi...[Details]
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1 Select NOR flash model The nor flash chip on my development board is Intel's JS28F320 (4MB) (1device=32blocks, 1block=128MB The fl2440 defaults to nandflash startup. To start norflash, just unp...[Details]
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The working principle of the vortex flowmeter is to set a vortex generator in the fluid, so that regular vortices are generated alternately on both sides of the generator. The vortex columns are arra...[Details]
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Imagine you are a medical technician in a large city emergency room. You travel from room to room, assisting the medical staff with their diagnosis using portable diagnostic equipment. With a high ...[Details]
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In recent days, Henan Province has been hit by a once-in-a-millennium torrential rainstorm, which has caused serious damage to people's lives and property. Many companies across the country have rush...[Details]
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So few people care about Android 11 this year. Indeed, compared with iOS 14, Android 11 as a new system is not discussed much on social media such as Weibo. This is because iOS 14 has a big c...[Details]
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Huawei's Hongmeng OS system may be officially commercialized in April, which means that Huawei will officially compete with Android and iOS, which is of great significance. There have been man...[Details]
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Sensitivity determines the ability of a spectrum analyzer to measure weak signals. The indicator that directly determines sensitivity is called the spectrum analyzer displayed average noise level (DA...[Details]
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Technology required for cleaning robots
As intelligent cleaning machines that appear in public commercial places with unknown and changeable environments such as large shopping mal...[Details]
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At the beginning of this year, State Grid Corporation of China proposed the strategic goal of building a world-class energy Internet enterprise with "three types and two networks", and the ubiquito...[Details]
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Solar water heaters are rapidly entering thousands of households due to their advantages of energy saving, environmental protection, and low cost. The water temperature and water level controllers th...[Details]
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The code is written on the 51 microcontroller and is used to extract useful data (protocol packets) from the receive buffer. The basic logic can also be used in other languages and receiver program...[Details]
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Motorola's MC34280 power integrated circuit provides two boost regulated outputs and power management monitoring functions. Both regulators use pulse frequency modulation (PFM), and the main boost re...[Details]
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Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]