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The control system is the key part of the guided bomb. At present, the control systems of all guided bombs are based on a certain mathematical model and correct the ballistic error in a fixed way. Due...[Details]
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We have cross-compiled and generated OpenCV libraries and libjpeg-related libraries. Now let's try to write and cross-compile an OpenCV application. 1. Opencv test program test.cpp program code: ...[Details]
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With the rapid development and popularization of computers today, it is very common to input, edit and process Chinese characters using computers. In medical electronic products, Chinese characters n...[Details]
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Here we first look at the so-called 80 timing diagram of the TFT LCD screen: After comparison, we found that the SRAM timing of STM32's FSMC is very similar to the 80 bus, and can also be applied: ...[Details]
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Figuring out how much capacitor and resistor to add is a challenge.
Here is a quick way to solve this problem.
Figure 1 shows the power stage of a forward converter. The con...[Details]
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Microsoft's Surface family covers a variety of PC forms, including 2-in-1 and notebooks, among which Surface Laptop is a traditional notebook form. The current starting price of the Microsoft ...[Details]
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;================================================== ;DS1302 control subroutine ;====================================================== ;The program includes: DS1302 initialization, time data...[Details]
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1. ARM instructions in Hopper I won't say much about ARM processors. Because of their low power consumption and other reasons, most mobile devices use ARM processors. Of course, Android phones and iP...[Details]
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MLX90392 will be awarded the patented Triaxis® Hall magnetic sensing technology Applications include cost-saving white goods, smart meters, gaming and residential security May 7, 2021, Tessenderl...[Details]
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Many applications require remote control of oscilloscopes. For example, a networked computer controls an oscilloscope on the same network. If the control is more complex or requires automatic measure...[Details]
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At 14:00 on April 22, Shenzhen Youfang Technology Co., Ltd. (hereinafter referred to as "Youfang Technology") will hold its 2020 new product launch conference online. This is the first time that Youf...[Details]
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Although mainstream data center networks still use 400G optical communications, the industry's demand for 800G technology is increasing day by day, and the data rate is even expected to reach 1.6T. T...[Details]
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On the evening of April 28, Huawei held a press conference for its foldable screen flagship and all-scenario new products, officially launching new products including the HUAWEI Mate Xs 2 folda...[Details]
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New infrastructure is the keyword of this year, and it has attracted a lot of attention from the society. There are also many articles about it on the Internet. As an ICT industry practitioner, I hav...[Details]
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pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]