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Problems faced by traditional access control In the traditional access control card system, if the user loses or forgets the access control card during use, he will be embarrassed and unable to pa...[Details]
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Batteries, also known as chemical power sources, are devices that can provide DC power to electrical appliances. Chemical power sources convert chemical energy into electrical energy through electr...[Details]
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1. Cross-compilation tool installation (glibc version needs to be compatible with the version on the development board) method 1: (The latest version of glibc is installed. Older versions of glibc ...[Details]
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1. Hardware requirements for LCD operation: To make an LCD display text or image normally, it needs not only LCD driver but also corresponding LCD controller. Usually, the manufacturer will make LCD ...[Details]
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#define IapApplicationAddress 0x08000000 //This is the starting address of the APP to be jumped. typedef void (*pFunction)(void); uint32_t JumpAddress; unsigned int systime; pFunctio...[Details]
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According to foreign media reports, Ford Motor Company has applied to the US Patent and Trademark Office (USPTO) for a new patent: a steering wheel pre-processing system. Image source: U.S. Pate...[Details]
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The mobile robot human-machine interface provides intuitive path graphics, movement speed and angle, obstacle information, etc. for the motion control of the mobile robot. Receive the motion informat...[Details]
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Amazon has just released its second-generation self-designed server chip "Graviton2", which is considered to be the most powerful ARM platform processor to date, and is not inferior to Intel 's ...[Details]
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1. From assembly to C function
1. Set up the stack
Why do we need to set up a stack when calling a C function from an assembly?
1. Because the parameters of the arm assembly call to...[Details]
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Xiaopeng Motors and Alipay have officially signed a contract to jointly develop the "in-car payment" function. This is the first batch of car companies in China to implement the "in-car payment" capa...[Details]
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Ozone
generator
power
supply
is
an important part of
ozone generator
. The voltage, frequency and waveform of the power supply are important factors affecting the efficiency of ozone ge...[Details]
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1. How to set the border of the display control to disappear
Before setting
Settings: 1. Shift+right click and select the color setting at the bottom.
2. Left-click the bord...[Details]
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One-year-old unicorn reserve
Recently, Beijing Galaxy General
Robotics Co.
, Ltd. (hereinafter referred to as "Galaxy General") announced that within one year of its establishment,...[Details]
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In the previous article, the author has realized the sampling of external voltage data through a channel of ADC1. This article mainly samples the change of internal temperature of the chip through cha...[Details]
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In an intelligent workshop in the Chengdu Economic Development Zone's Jingrong Digital Economy Industrial Park, workers are working in an orderly manner, and the fully automatic production line is run...[Details]
Power technology
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