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Based on the UDP protocol in the lwIP protocol, use a single-chip microcomputer to make a server, receive computer commands and then return data. The following is my code /***************************...[Details]
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Three-channel DC resistance tester uses and features: This three-channel DC resistance tester can complete single-item measurement, three-channel simultaneous measurement, three-item test quantities,...[Details]
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1. Experimental tasks As shown in Figure 4.14.2, use the parallel port P1 of AT89S51 to connect to a 4×4 matrix keyboard, use P1.0-P1.3 as the input line, and use P1.4-P1.7 as the output line; it ...[Details]
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Recently, a new Nut 5G phone with model number DT2002C was connected to the network. According to blogger @数码闲聊站, this new Nut 5G phone comes standard with a new CtoC charger and supports 11V 5A with...[Details]
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0 Introduction
Modern industrial measuring instruments are based on single-chip microcomputers and have functions such as digital display, switch output, over-limit alarm and communication...[Details]
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Yesterday, the Honor Smart Screen, whose pre-order volume exceeded 300,000, ushered in its first sale on all platforms. So what was the situation of its first sale? According to the official Weibo of...[Details]
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An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
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Following our previous introduction to the implicit interaction of the smart cockpit, today we will share the explicit interaction, which, as the name suggests, is the way in which the driver and pas...[Details]
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The ZOE battery has been upgraded again. As shown in the figure below, the available power has been further upgraded from 22, 22.3, 41 to 50kWh. The energy density of the whole pack has al...[Details]
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The cooperation between automakers and upstream and downstream enterprises in the industry chain is deepening. On the evening of February 17, Changan Automobile (000625) announced that it plans to joi...[Details]
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S3C2440 has 27 address lines ADDR and 8 chip select signals ngcs0-ngcs7, corresponding to bank0-bank7. When accessing the address space of BankN (N=0,1,2,...7), the ngcsN (N=0,1,2,...7) pin is...[Details]
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The Redmi K40 dual flagship will be officially released on February 25, and the official continued to preheat the promotion for the phone today. Judging from the preheating content, the entir...[Details]
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On August 30, the Shaanxi Provincial Development and Reform Commission issued the "Notice on the Time-of-use Electricity Price Policy for Residential Electric Vehicle Charging Pile". The "Notice" s...[Details]
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To test ordinary capacitors, you can usually use a digital multimeter to roughly measure the capacitance of the capacitor, and then compare the measured result with the nominal capacitance of the cap...[Details]
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Preface
Currently, the world is facing severe environmental problems and energy is becoming increasingly scarce. Solar energy has become the preferred alternative energy source because of ...[Details]
RF/Wirelessly
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