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0 Introduction
LCD has entered the flat panel display market first and has been expanding its application field with its low operating voltage, low power consumption, good display effect, ...[Details]
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If you want to transplant this application project to the development board, you only need to modify the pins according to the circuit diagram of this project, and change them to the pins correspond...[Details]
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DC-DC converters are very commonly used in battery-powered devices or other applications that require power conservation. Similar to linear regulators, DC-DC converters can generate a lower regulat...[Details]
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Introduction Although voltage measurement alone has been used in many portable products to estimate the remaining battery charge, this approach can have errors as high as 50%. The relations...[Details]
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In recent years, with the rapid development of urban public transportation, the way of bus stop announcements in China has been greatly improved, from the traditional method of conductors announ...[Details]
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First of all, msp430 does not have a P0 port, so let's use the P1 port to explain P1OUT = 4; P1.2 pin outputs a high level, and the rest of the P1 pins output a low level; P1OUT |= 4; P1.2 is set to a...[Details]
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The Z-FFT transform based demodulation of the ZPW-2000A track circuit signal in the station is proposed to realize the real-time detection of the closed-loop coded locomotive signal in the sta...[Details]
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Switching power supplies are widely used in communication, control, computer and other fields due to their small size and high power factor. However, due to the electromagnetic interference, their fur...[Details]
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The main tasks to be completed are: 1) Divide the display position 2) Draw the status bar background 3) Draw the battery icon: a total of 7 baticos 4) Draw time: only show hours and minutes 5) Cycle...[Details]
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In the GPIO control chapter, the delayed flashing LED only used a simple for loop. In order to achieve accurate timing, this chapter introduces the use of the SysTick timer to generate an inte...[Details]
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Since its advent, the path that single-chip microcomputers have taken is different from that of microprocessors. Microprocessors have developed in the direction of high-speed computing, data ana...[Details]
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Lenovo launched its new generation of Mirage AR products at the IFA 2019 exhibition. This time it also cooperated with Disney, but the theme was changed from the original Star Wars to the Marvel hero...[Details]
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Before understanding the difference between the waveform graph and trend graph in the power analyzer, we need to start with the basic concepts of "update rate", "data frame" and "frame format" in the ...[Details]
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1. Why are flow measurement and instruments so widely used in the national economy? Flow measurement is the science of studying the change of quantity of matter. The law of mutual transformation of q...[Details]
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Honor has previously officially announced that the new generation of digital series Honor 70 will be officially released on May 30, and announced that Gong Jun will serve as the global spokespe...[Details]