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On February 16, the intelligent high-voltage photovoltaic inverter (HNPVD-MV) independently developed by Huaneng Qingneng Institute was officially launched. The photovoltaic inverter increases the ...[Details]
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USB provides a means for multiple portable devices to be charged from a single "universal" power source, making it more convenient. But there are many challenges in this regard. Previously, USB cha...[Details]
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On April 19, the three major A-share indices rose across the board. In the consumer electronics sector, Apple concept stocks surged and saw a "limit-up surge". Among them, large-cap stocks Goertek a...[Details]
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In 2020, the pandemic ravaged the world and the economic environment faced downward pressure, but the domestic semiconductor industry did not slump. At the same time, against the backdrop of an uncle...[Details]
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Since last year, Apple has been working on applying AR technology to windshields. According to foreign media reports, Apple recently obtained a patent called "Region Identification and Indication Sys...[Details]
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1. The internal flash write operation of stm32 can only write two bytes, not one byte at a time 2. Erase is required before writing, and all data after erasing are FF 3. The internal flash is 512kb f...[Details]
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According to a report released by research firm Strategy Analytics, the global smartphone image sensor market had total revenue of US$6.3 billion in the first half of 2020. The report pointed out t...[Details]
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Laptop Power Supply
As shown in the figure above, this laptop computer has an output voltage of 9V, a sharp short circuit overvoltage protection, and its operating voltage is 12V. The power sup...[Details]
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There are many types of domestic digital multimeters. When purchasing, you can determine the type based on actual needs. For example, if you want to measure voltage, current and resistance, you can...[Details]
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This is the complete program for DS1602+DS1302, where port P1 is connected to an independent keyboard.
DS1602 part:
# include "SYSTEM.H"
//#ifndef __LCD1602_8_H__
//#de...[Details]
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OLED or Organic Light Emitting Diode displays are a new technology that is revolutionizing displays. Organic materials emit light when an electric current is passed through them, and based on this p...[Details]
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On January 11, 2022, Beijing time, OnePlus held an online press conference and officially released the new OnePlus 10 series. OnePlus has always been committed to the research and development of high...[Details]
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Multimeter is the most basic tool in the field of electronic testing and is also a widely used instrument. Due to its low price, simple operation, complete functions and wide use, professional electr...[Details]
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UMC announced on the 27th that it will spend 4.858 billion yuan to repurchase all the shares of Xiamen Unigroup's 12-inch plant from mainland joint venture shareholders. UMC currently holds 69.95% ...[Details]
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Lung cancer is one of the most common malignant tumors in the world, and its morbidity and mortality rates are rising. The reason is that the cause of lung cancer is unknown, the onset time is shor...[Details]