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Consumer electronics and communication electronic products, such as mobile phones, digital cameras, digital video cameras, PDAs, MP3s, PMPs, P-DVDs, DCs, DVs, NBs, NetBooks, etc., must have certai...[Details]
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1. Ctrl+S saves the current file, as shown in the figure.
Two files are opened, and you can see that one file has an asterisk and a red cross. The red cross indicates that it is the currently op...[Details]
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According to news on the morning of December 15, Xiaomi Group recently released its first intellectual property white paper. The white paper disclosed that as of September 30, 2022, Xiaomi had more t...[Details]
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Recently, the Ministry of Science and Technology announced the third batch of national specialized makerspace demonstration lists. Among them is the National Specialized Maker Space for Integrated ...[Details]
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Lingyang Technology and WiSA Technologies work together to realize cost-effective Atmos sound bar applications with configurations up to 7.1.4 BEAVERTON, Ore., USA - June 15, 2023 - WiSA Technol...[Details]
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This article introduces a method for measuring the output impedance of a function signal generator, amplifier, or other circuit. This method is suitable for low-frequency scenarios and is not suitabl...[Details]
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Dell recently officially released the OptiPlex 7070 Ultra host. The biggest highlight is that the new host seems to have only one monitor, but the components of the entire machine are stored on the b...[Details]
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Recently, ARM Technology (China) Co., Ltd. (hereinafter referred to as "ARM Technology") and C-Core Technology (Shanghai) Co., Ltd. (hereinafter referred to as "C-Core Technology") announced to deepe...[Details]
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Nowadays, since switching power supplies can generate electromagnetic waves that affect the normal operation of electronic products, correct power supply PCB layout technology becomes very importan...[Details]
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Typical automotive power architecture
Figure 1 shows a simplified block diagram of a typical automotive power supply, which mainly includes the following units:
Source protection circuit: lim...[Details]
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Through theoretical analysis and experimental verification, it can be seen that the information returned by the first and second layers mainly includes the road surface, lane lines, a small amount ...[Details]
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Temperature is something everyone is familiar with, but it is difficult to measure accurately. Before the advent of modern electronics, Galileo invented a rudimentary thermometer that could detect te...[Details]
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The figure below is a main circuit of A/D conversion and liquid crystal display composed of PIC16F873A (28 pins) and LCD (liquid crystal display module 1602). The function of this circuit is to fir...[Details]
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The output ripple of the switching power supply mainly comes from five aspects: input low-frequency ripple , high-frequency ripple , common-mode ripple noise caused by parasitic parameters...[Details]
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EPROM chips require ultraviolet light to erase their contents, and if you are unlucky, it is really difficult to find a UV eraser. In fact, the working principle of the UV eraser is not complicated...[Details]