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Samsung Electronics' second-quarter profit fell short of analysts' expectations as cooling demand for consumer electronics hit its chip business and raised concerns about the tech giant's outlook for...[Details]
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APFC technology
can be divided into discontinuous conduction mode (DCM), continuous conduction mode (CCM) and critical conduction mode (CRM) in between according to whether
the inductor
cu...[Details]
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Recently, a new 5G phone with model number G0515D was connected to the network. The manufacturer is Zhuhai Avip Information Technology Co., Ltd. According to digital blogger Digital Chat Station, the...[Details]
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/**********Nokia 5110 LCD display program*******************/
/**********Author: Zheng Wen ***************/
/**********Chip: AT89S52 **************/
/*Function: support Chinese display, char...[Details]
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According to foreign media reports, the US Patent & Trademark Office has published two patent updates from Apple, which include a future interactive vehicle head-up display where users can use gestur...[Details]
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1. Detailed explanation of hardware design
1) D/A conversion principle
Digital quantities are represented by binary codes in combination of digits. For weighted codes, each digit has a certai...[Details]
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China Energy Storage Network News:
The 9th meeting of the Central Finance and Economics Commission pointed out that a new power system with new energy as the main body should be built. The ...[Details]
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Relay-controlled variable frequency/industrial frequency switching circuit The relay-controlled switching circuit is shown in Figure 1-1.
The working process of the switching control...[Details]
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According to a news release from Jinlonghu, the perfect yield of crystal rods of various crystal growth furnace types of Xuzhou Xinjing Semiconductor Technology Co., Ltd. (hereinafter referred to as ...[Details]
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As LED lighting applications have increasing requirements for component output, traditional LED packaging not only limits the advancement of component specifications, but also has disadvantages i...[Details]
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On October 15, Tongxingda announced that in order to meet the company's strategic development needs, Tongxingda and ASE Semiconductor (Kunshan) Co., Ltd. (hereinafter referred to as "Kunshan ASE") si...[Details]
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AT89cxx encryption principle
MCU decryption is simply to erase the encryption lock bit in the MCU. Due to the unreasonable design of the erase operation timing of the AT89C series MCU. It is poss...[Details]
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Simulate I2C to read the date and time in the clock chip PCF8563 #define SCLK_Clr() GPIO_ResetBits(GPIOD, GPIO_PIN_1) // Clock signal of SDA IIC interface #define SCLK_Set() GPIO_SetBits(GPIOD, GP...[Details]
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Today I looked at the RTC clock on Example STM32 and found that he did not enable the BKP clock on APB1, but he could read the contents of the BKP register. I was very puzzled, and I looked again a...[Details]
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On October 16, the second Midea Visionary Conference was held in Shunde, Foshan. Academician of the Chinese Academy of Sciences and professor of Huazhong University of Science and Technology Ding Han,...[Details]