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First look at the hardware schematic C13 and E0 of GPIO are two buttons, which are usually high level. When the button is pressed, it is grounded and becomes low level. (So the interrupt is trigger...[Details]
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The working frequency of high-frequency inverter power supply is 20kHz~50 kHz. As the main transformer of the power supply, the traditional core material ferrite has low high-frequency loss, but it...[Details]
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In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
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The storage controller S3C2440A is a 32-bit processor. Theoretically, it has 32 address lines and an addressing space of 0x00000000~0xFFFFFFFF, which is 4G. In fact, S3C2440A has only 27 address li...[Details]
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The latest report from renewable energy research organization GTM predicts that the global PV inverter market will grow from 59.7GWac in 2015 to 90GWac in 2020. The average annual growth rate of th...[Details]
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Basic principles of optical head
The optical head
is one of the most important components of the DVD system. Its basic principle diagram is as follows:
Sch...[Details]
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Recently, Daqing High-tech Industrial Development Zone and Beijing Mingxing Green Energy Chemical Technology Co., Ltd. signed the "Phase Change Energy Storage Material Project Cooperation Agreement...[Details]
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According to foreign media reports, Kia will launch its first dedicated electric vehicle model in 2021. It will be a high-performance, crossover-like sedan. It is said that the car will use an ultra-...[Details]
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1. Introduction In view of the characteristics of LED lighting loads, the topology of the current non-isolated constant current drive power supply is basically a BUCK step-down structure. The mainst...[Details]
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The circuit shown in Figure 1 is a 10MHz to 6GHz broadband active mixer with an integrated interface for direct connection to a synthesizer-based low phase noise local oscillator (LO). This circu...[Details]
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Advantech Connect, a series of online partner summits by global industrial Internet of Things manufacturer Advantech, has officially debuted. The first one is themed "AIoT Wins at the Edge and Create...[Details]
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1. Overview: Overall, this chip is fully functional: ADC cps EEPROM DAC DSM USE SR latch timer(3) 2. Storage 2048 RAM 3. Register details Register Type 3.1 Core Registers WREG| PCLATH| IN...[Details]
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According to Reuters, the newly formed Italian government said on Thursday local time that it would allow the government to use "golden power" in the process of domestic operators using Huawei and ZT...[Details]
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Earlier this month, a "snake swallowing an elephant" merger and acquisition event occurred in the United States: Xerox intends to acquire the personal computer and printer giant HP for $33 billion......[Details]
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The "end-to-end" big model has been considered an effective tool for exploring advanced intelligent driving. Since the beginning of this year, Xiaopeng, Huawei, and Ideal have successively announce...[Details]