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According to Jiwei.com on March 9, the research firm Omdia released its latest report showing that iPhone 11 shipments in 2020 were 64.8 million units, more than 18 million units more than the iPhone...[Details]
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On the afternoon of May 26, Xiaomi's first dual-5G mobile phone, the Redmi 10X series, was officially released, including two versions, Redmi 10X and Redmi 10X Pro, in four colors: Midnight Pur...[Details]
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1. Introduction to OLED display panels
Take the QG-2864TMBEG01 OLED as an example, it supports three control methods: Parallel/i2c/SPI. Here we only use SPI control. See the ...[Details]
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As chip performance continues to improve and chip complexity increases, in order to ensure the quality of chips leaving the factory, chip testing has received increasing attention from major manufact...[Details]
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With the rapid increase of railway speed and the development of high-speed railway, the continuous increase of traffic density, load and speed has accelerated the damage of rails. During the use of r...[Details]
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Adding NOP instruction to MCU C language
There are no null statements in standard C language. But in C language programming of microcontrollers,
it is often necessary to use several null instructi...[Details]
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Using uboot to write nand flash does not require FS support, but when I checked the uboot source code, I found this line "nand write.jffs2 xxxxx.." jffs is a file system, why is that?
nand...[Details]
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System designers are increasingly faced with the challenge of maximizing power savings without sacrificing performance in system components such as high-speed data converters. Designers may be movi...[Details]
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Mir's new core board! Xinchi D9 domestically produced high-security automotive-grade development platform
With the rapid development of information technology, the market demand fo...[Details]
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The S3C6410 display controller contains logic circuits that transfer data from the local bus of the post processor or system memory video buffer data to the external LCD driver interface circuit. The ...[Details]
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Step 1: Select the range: r﹡100 or r﹡1k. Step 2: Measure the forward resistance of the emitter and collector of the pnp semiconductor: connect the red test pen to the base, the black test pen to th...[Details]
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Body temperature is an extremely important human body parameter in clinical medicine. In recent years, hospitals at home and abroad still use traditional mercury thermometers to measure and record ...[Details]
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In recent years, my country has successively issued more than 60 supporting policies and measures, and the development of the new energy vehicle industry has achieved positive results. According to s...[Details]
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Preliminary knowledge 1. First, let’s clarify two concepts: Steady-state thermal resistance: The temperature difference between two measuring points is △T. The energy passing through the heat dissipa...[Details]
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Most 1-Wire devices operate from a 2.8V to 5.25V VPUP for read and write operations. EPROM devices, including the DS2406, DS2502, DS1982, DS2505, and DS1985, require a 12V programming pulse for write ...[Details]