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Introduction With the widespread application of Flash technology in microprocessors, there have been revolutionary changes in the development and application methods of single-chip microcomputer...[Details]
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1. Overview: 5000V digital insulation resistance tester Brand new 5000V digital insulation resistance tester and other models. New design with trendy style and improved circuit, more complete functio...[Details]
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Driven by government policy guidance and incentives, the market share of electric vehicles is continuing to rise, further accelerating the construction of supporting charging infrastructure. From a g...[Details]
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The voltage and current measurement of the power meter usually adopts one of the following three methods: a. Mean detection method The mean detection method is used to convert the AC sine wave power ...[Details]
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The AVR watchdog is a hardware unit that resets the program when it runs away for some reason, just like a puppy guarding the door. //Watchdog initialize // prescale: 2048K void watch...[Details]
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Recently, the US Patent & Trademark Office published an Apple patent application that is mainly related to a possible future Apple Watch. This new product will use an emerging biometric authenticatio...[Details]
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The power filter is a two-stage power filter network composed of inductors and capacitors. The frequencies to be suppressed are mainly the PFC operating frequency of about 50kHz and the DC/AC switchi...[Details]
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#include reg51.h #define uint unsigned int #define uchar unsigned char sbit voice=P1^5; uchar code sound ={0xff, 0x26,0x20,0x2b,0x20,0x26,0x20,0x2b,0x20,0x26,0x20,0x2b,0x20,0x26,...[Details]
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1. Linux versions and features The Linux kernel version number can be found in the Makefile in the top-level directory. VERSION = 2 VERSION = 6 SUBLEVEL = 22 EXTRAVERSION = .6 These lines make up t...[Details]
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1. Multimeter: Digital multimeter is a very important electronic measuring instrument, which is used to measure the values of electronic components such as voltage, current, resistance, capacitance...[Details]
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According to foreign media reports, on May 11 local time, Jaguar Land Rover (JLR) announced that all new cars sold in South Africa will be equipped with an optional cabin air ionisation system. (I...[Details]
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On August 13, Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand, explained why the Redmi K30 Extreme Commemorative Edition (K30 Ultra) uses the MediaTek Dimensity 1...[Details]
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I'm using the stm32 timer to control a stepper motor recently. Since the normal timer is not enough, I can only use TIM1 as a normal timer. I just moved the code of the normal timer over. void cs_...[Details]
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Detailed explanation of the microcontroller's instruction execution process The process of microcontroller executing a program is actually the process of executing the program we compiled. That is, t...[Details]
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Opening remarks:
Through the study in the previous section, we found that the recognition of Chinese characters is essentially the machine code, and the recognition of characters is essentially the A...[Details]
Analog electronics
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