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Abstract: An electronic ballast is a type of ballast, which refers to an electronic device that uses electronic technology to drive an electric light source to produce the required lighting. The el...[Details]
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When debugging a driver, in order to avoid recompiling the kernel image every time the kernel configuration or driver is modified, the driver can be configured as a module for debugging. The driver m...[Details]
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The title is very explosive, is it a phishing post? Not necessarily. Today I will share an open source project on GitHub - FossaSat-1 open source satellite. Fossasat-1 is a microsatellite develope...[Details]
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This article uses the C8051F020 microcontroller to realize the connection control of the AD9959 frequency synthesis chip, and combines a small amount of peripheral circuits to form a complete low-n...[Details]
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1 IC Card Reader Overview People often come into contact with magnetic cards and IC cards in their daily lives. They are divided according to the different information carriers on the cards. Cards ...[Details]
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1. Bus Overview
The computer system is centered on the microprocessor. All devices must be connected to the microprocessor and must work in coordination, so the concept of bus is introduced in the ...[Details]
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In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointers ...[Details]
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Some time ago, at its spring new product launch conference, Xiaomi, in addition to launching a number of new flagship products, also launched a "multi-coil wireless fast charging board" that Apple ha...[Details]
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1. Develop towards high performance and high accuracy The emergence of digital technology has improved the accuracy, resolution and measurement speed of analog instruments by several orders of magnit...[Details]
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1. The capacity causes bad tracks on the hard disk. A bad power supply can easily cause false bad tracks on the hard disk. This fault can usually be repaired by software. In such a situation, the pow...[Details]
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1. MCLK, SMCLK, ACLK default clock frequency
1.1 POR and PUC
POR refers to Power-On Reset, i.e. power-on reset (hardware), and PUC refers to Power-Up Clear, i.e. power-on clear (software reset)...[Details]
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On June 8, the 2023 China Automobile Chongqing Forum was held. Zhu Huarong, Chairman and Party Secretary of Changan Automobile, delivered a speech. He said that China's automobile industry has grown ...[Details]
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ToF cameras are mainly used in three places in the car: face recognition or Face ID on the B-pillar of the car, gesture recognition in the car's central control, and driver status monitoring DMS. In ...[Details]
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At present, the ratio of electric vehicles to public charging piles in Beijing has reached the requirement of national policy that in areas where new energy vehicles are rapidly develop...[Details]
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PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]