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2020 is destined to be a special year. The sudden outbreak of the epidemic has forced all industries to press the pause button. Enterprises are facing huge pressures such as shutdowns, reduced sales,...[Details]
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Even with the ban in the United States, Huawei's mobile phone sales continued to grow. At Huawei's new product launch conference on the 23rd, the official announced that as of October 22, 2019, Huawe...[Details]
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The power grid is a physical network used by every household. The basic function of existing power lines is to transmit power. Using existing power lines to achieve data communication without adding ...[Details]
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The HID class is a common method in USB applications. By modifying the JOYSTICK application of the STM32 USB firmware library V4.0, we implement a two-way USB communication. 1. Transplant the STM32 s...[Details]
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In China's battery industry, the competition between CATL and BYD, the "two great companies", has always been a hot topic among investors, and the question of which one is better is also a long-lasti...[Details]
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1. The maximum system clock frequency of STM32F103 is 72MHZ 2. The maximum CNT count value of the STM32F103 timer TIM is 65535 3. The value of the pre-scaling coefficient PSC of the timer TIM of ...[Details]
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First of all, I would like to thank my friends who shared information online. There are many tutorials on configuring STM8 hardware I2C online, but some say that STM8 hardware I2C has problems. Howev...[Details]
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Waveform converter MF52C1503F3950. Figure 1-13 shows two integrators composed of six CD4069 NOT gates, which can convert square wave signals into triangular and sine wave outputs. NOT gates 1, 2,...[Details]
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The switching power supply designed in this paper will be used as the power supply of the smart meter, with a maximum power of 10 W. In order to reduce the number of PCBs and the size of the smart me...[Details]
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The above picture is a Proteus simulation picture, in which the inverter uses 74lHC14, the resistor array uses 10K, the crystal oscillator uses 12MHZ, and the resistors R1-R8 use 200 ohms. But in...[Details]
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STC89C51 and 52 have 2K bytes of EEPROM, 54, 55 and 58 have 16K bytes of EEPROM. STC microcontrollers use IAP technology to implement EEPROM. The internal Flash can be erased and written more than 10...[Details]
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All kinds of expectations, speculations, and doubts have all been answered today! The conference has not yet ended, and the news of the open source of HarmonyOS 2.0 has been hotly discussed among dev...[Details]
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for(;;) { void* buffer = malloc(SIZE); memset(buffer,SIZE); process(buffer) free buffer; } This is a pseudo code from an intern (I have supervised more than 10 interns, so I have seen a...[Details]
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1 Introduction With the development of information technology, inverter power supplies are increasingly widely used in the fields of communications, military, aviation, aerospace, etc. Traditiona...[Details]
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Tesla recently released an OTA upgrade package for firmware version V12.5.4.1, claiming that it had upgraded the vehicle's smart summon function, adding a remote driving function to it, allowing ca...[Details]
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