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1. Timing display
A display buffer is opened, and the display interrupt program reads the buffer regularly to display each light position. Each light position is displayed for 2...[Details]
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The food industry faces many challenges, such as seasonal demand, changing consumer tastes, and storage environments. Now, intelligent production has become one of the core competitiveness of food pr...[Details]
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This article takes LED lamps, lamps and their current status as the entry point, analyzes the characteristics and current problems of LED lamps based on the relevant definitions of LED lamps and lam...[Details]
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According to CCTV News, on March 31, 2023, Japan’s Ministry of Economy, Trade and Industry announced that it would amend the export control measures of the Foreign Exchange and Foreign Trade Law to s...[Details]
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1. C51 data type expansion sfr declares an 8-bit register sfr16 declares 16 as register sbit declares a bit in a register, an IO port bit variable declaration Declare a port with sbit sbit LED = ...[Details]
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Method of measuring cable and wire breakpoints with a digital multimeter
In addition to measuring basic parameters such as voltage, current, resistance, capacitance and transisto...[Details]
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The cable length from the inverter to the motor needs to be considered in the selection process, including cable material, cable cross-sectional area, cable length, and the distance between the inv...[Details]
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On April 24, the world's first mobile photovoltaic power station detection platform independently developed by the State Grid Electric Power Research Institute completed all on-site tests at the 60 ki...[Details]
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The function of this delay switch is: when a person enters the toilet, press the button, the light will turn on, and after a few minutes, the light will automatically turn off if it is not turned off...[Details]
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Google engineer Benson Leung tested the USB Type-C cables on the market. The sample size was small, only 10 cables, but the amount of information was large. Only 3 of them could connect to the Chrome...[Details]
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Generally, a low-frequency energy storage capacitor CB is required inside the single-stage PFC converter circuit to balance the instantaneous power input and output, and filter out the second harmo...[Details]
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Gree recently launched the Dasong 5G mobile phone, which made many people pay attention to Gree Chairman Dong Mingzhu's mobile phone making business again. It turns out that Dong Mingzhu has not give...[Details]
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What do you think of when you think of automotive lighting? High-performance headlights? Designed taillights? Brand-clear daytime running lights? These are the most easily associated features, both...[Details]
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Small active speaker circuit diagram
This circuit is suitable for computer speaker active amplifier or Walkman power connector, with the characteristics of simplicity and reliability, cheap an...[Details]
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background
It is related to the production environment of the company. I don't want to burn nand flash under uboot every time. I also think that the method of upgrading with USB disk is slow. ...[Details]
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