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Although it feels like a running account, this is the only way to learn. After I have penetrated ARM three times, I will deal with the problem comprehensively and give the most concise and direct answ...[Details]
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Description
Development board: mini2440
Nand flash: K9F2G08U0B2, 56M
This program implements the following functions: I referred to the bare metal program in Cha...[Details]
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With the development of society and the growth of population, energy conservation has become an important social issue. Fluorescent lamps are the most widely used lamps at present, but like mos...[Details]
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Demand for consumer electronics is sluggish, and mobile phone lens modules and image sensor chips have been experiencing a certain degree of involution and price wars. Recently, a price increase no...[Details]
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I made a minimal system for a single-chip microcomputer, and I can download the program later.
Start doing it
10K Resistor
capacitance
Weld...[Details]
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Does choosing the right power converter just mean finding the cheapest part? Innovations in the field of power voltage conversion have proven to be worthwhile and rewarded in the market – as these so...[Details]
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Recently, the State Intellectual Property Office issued the "Invalidation Request Examination Decision" with decision number 54983, and the patent number is 201380036938.2, declaring all patent right...[Details]
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1. Abnormal protection problem of electronic ballast
As a recognized green lighting product, electronically ballasted fluorescent lamps have many obvious advantages over ordinary inductively...[Details]
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Samsung hasn't launched a phone with a removable battery in a few years, and while it's obviously unlikely that a flagship model will offer this feature, it's not impossible for mid-range and l...[Details]
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Lisa Jackson, Apple's vice president of environment, policy and social initiatives, changed her Twitter profile picture, seemingly foreshadowing that Apple has begun recording its September event vid...[Details]
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Test Methods
The rapid microbial detector is a portable rapid quantitative microbial detector.
Rapid Microbiological Detector Test Method
1. Immunization method;
2. Genetic method;
...[Details]
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Laser rangefinders generally use two methods to measure distance: pulse method and phase method.
Pulse distance measurement: The laser emitted by the rangefinder is reflected by the object b...[Details]
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Since the beginning of this year, many manufacturers have launched a new generation of foldable screen mobile phones, such as Huawei, Xiaomi, Samsung, etc. There are also reports that Honor, OP...[Details]
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#include "config.h" #define LED1 (1 19) #define KEY1 (1 18) void DelayNS(uint32 dly) { uint32 i; for(;dly 0; dly--) { for(i = 0; i 50000; i++); } } void WDTInit(uint32 u...[Details]
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The generation rules of the ELF format "u-boot" file are as follows. The following is an analysis of each dependency corresponding to the execution process of the Makefile.
$(obj)u-boot:...[Details]
Automotive Electronics
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