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Abstract: Design a wide range and high precision speed measurement circuit; through the analysis and comparison of three commonly used speed measurement methods. Determine to use the M method and M/T...[Details]
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The basic form of DC-DC conversion is to use a semiconductor power device as a switch, and then disconnect and connect the load line with a filter (inductor or capacitor) to the DC voltage, and genera...[Details]
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In fact, the IROM code of Exynos 4412 has already set the PLL. We can print out the PLL register values set by IROM through the serial port. These values are printed out like this (excerpted from...[Details]
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Registers and working modes: 7 working modes: fiq/irq/abt/und/sys/usr/svc. Switching by "MSRcpsr_c,#0xdx". Entering svc mode at power-on. The difference between svc and usr is: svc can be freely swi...[Details]
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In the early days of the development of new energy vehicles, the industry generally faced the dilemma of three no’s: no charging technology, no charging infrastructure, and no charging standards. In ...[Details]
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Please check "Target"->"Code Generation" in the MDK (keil) project properties.
选”Use MicroLIB
The premise is that you have a complete Keil project. For example, when debugging ADC, the serial p...[Details]
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As the leader in the global mobile phone market, Apple’s new generation of iPhones receive widespread attention early every year. During this period, media and digital bloggers continued to expose ma...[Details]
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Oscilloscopes are used in many fields to check the waveform of AC power, so can oscilloscopes check AC power? Here is my personal opinion: First of all, let's understand what AC power is. AC power i...[Details]
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The intelligent floor scrubber can automatically detect whether the water tank is short of water or full of water, and remind the user to add water to the clean water tank, or remind the user that ...[Details]
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In the design of complex system-level microprocessors, the memory is responsible for storing system programs and data, and is an important part of the entire system. In the process of CPU executing...[Details]
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O-Film, a leading module manufacturer in the industry chain that has entered global first-tier mobile phone brands such as Apple/Samsung, Xiaomi, and OPPO, is carrying out a "slimming" plan, introduc...[Details]
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According to foreign media reports, Melexis, a global microelectronics engineering company, has launched the highly integrated intelligent controller MLX81130, which integrates all active components ...[Details]
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ATmega128 has an on-chip BOD (Brown-out Detection) circuit that detects changes in VCC during operation by comparing it with a fixed trigger level. This trigger level can be set to 2.7V (BODLEVEL not...[Details]
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__swi void ledtest(); //: declare edtest to be a soft interrupt. __asm Inline assembly //: Usually you need to embed assembly code in a C program. In this case, you can use the __asm keyword to i...[Details]
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Design principles of foreign car audio
Recently, domestic electronic newspapers and periodicals have published reports on car audio upgrades, indicating that car owners are not satisfi...[Details]
onsemi and Avnet IoT Innovation Design Competition
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