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It is very convenient to use an electric lock to open the door from a distance. The rated voltage of the working coil of this lock is DC12V, the DC resistance is about 2Ω, and the working current i...[Details]
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As a new type of non-contact liquid level measuring instrument, the ultrasonic level meter
has almost no restrictions on the measured medium and can be widely used to measure the height of variou...[Details]
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I did some development for arm some time ago, mainly writing the startup software for arm and porting uCOS-II to arm7. I like to do things in a simple way, and make a framework from the simplest and m...[Details]
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According to foreign media reports, an international team conducted a comparative study to explore different online algorithms for evaluating the state of charge (SOC) of lithium-ion batteries. The r...[Details]
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With the rapid development of electronic technology, liquid crystal displays (LCDs) have many advantages that many other displays cannot match, such as low power consumption, small size, light weig...[Details]
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Robots
The beginning of the year was really crazy
In 2024, the robot industry has received a lot of good news, with multiple billion-yuan financings bombarding one after another, wh...[Details]
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Since the input of PLC is divided into two types: NPN input and PNP input, the proximity switch is also divided into two types: NPN and PNP. Only when the type of proximity switch is consistent wit...[Details]
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Taiwan's Industrial Technology Research Institute (ITRI) and Corning have jointly developed a technology to form circuits on a 100μm thick glass substrate using a roll-to-roll (R2R) process, which ...[Details]
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/***************************************************************************
Set up Nested Vectored Interrupt Controller
***************************************************************************/ ...[Details]
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The figure shows another self-excited multivibrator composed of TTL NAND gates. Its oscillation process is basically the same as the above example, but the figure does not have a shaping NAND gate. T...[Details]
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The microcontroller source program is as follows: /*============================================================ // //Programming: Mr. Liu Wiring: D0--D7 connected to P0.0-P0.7 ST---P2.3 ...[Details]
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For the stm32f103zet microcontroller, the read and write operations on the memory card can be completed. You can view the memory card directory, write files, delete files, change files, clear file co...[Details]
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Recently, according to Qichacha, Huawei Technologies Co., Ltd. disclosed a patent titled "Screen sharing method and mobile device based on video call". The application number is CN113141483A, and the...[Details]
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How to adjust the minimum illumination and sensitivity of industrial cameras? Machine vision system refers to the use of computers to realize human visual functions, that is, to use computers to re...[Details]
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How to find the location of car buttons in a dark environment?
The traditional solution we are familiar with is to add a weak backlight design to the physical buttons, but this interactive sol...[Details]
PCB Design
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