1N4749A

      Samsung's Galaxy Fold foldable phone could not be released on time due to a screen failure. The well-known disassembly organization iFixit studied the cause of the screen failure and gave some ...[Details]

　　Compared with ordinary MCUs, STM32 has a complex clock system, and the corresponding controller is called RCC (Reset Clock Controller). Each peripheral is equipped with a peripheral clock switch. W...[Details]

introduction: The front panel of many instruments is usually a mixed interface composed of many knobs and buttons. There are usually two types of knobs on the front panel of traditional instruments. ...[Details]

Many pictures to understand, many words without nonsense; the jokes are in the middle and the tables are at the end! Put the conclusion and summary table first After count...[Details]

S3C2440 boots from nandflash, relying on the on-chip SDRAM (Stepping Stone) with a size of 4KB located at address 0 of the ARM space. Nandflash cannot participate in unified addressing and is outside ...[Details]

The 89C51 microcontroller is an 8-bit microcontroller. The most commonly used one is the AT89C51 produced by Atmel. It was the most used microcontroller chip when I was in school. Now it has been dis...[Details]

On August 21, the construction project of Xinjiang Shengrui Green Source 5 GWh new energy production base was launched in Midong District, Urumqi. As the first new energy storage lithium battery cell ...[Details]

According to foreign media reports, as analysts and research institutions had generally expected, Apple's first batch of smartphones supporting 5G network connection, the iPhone 12 series, has been i...[Details]

Last night (8), Huawei held an online spring new product launch conference in China, launching the Huawei P40 series and other new products. Today (9), Huawei Consumer Business CEO Richard Yu accepte...[Details]

  With the continuous development and improvement of computer application systems, massive real-time multimedia data has been generated in various fields. These massive data may no longer be directly...[Details]

tell a story This happened a few weeks ago. I have some time today, so I recorded it. After soldering the sample board, I used the buzzer function of the multimeter to check whether there was a sho...[Details]

1. Encryption principle description The LPC2100 series ARM7 microcontroller is the world's first ARM chip that can be encrypted. The method of encrypting it is to set the specified d...[Details]

1. Introduction 　　The price of solar power generation systems has remained high! The main reason is the low density of solar energy! The average light intensity of the sun shining on the ground is ...[Details]

According to the New York Times, IBM announced on Thursday (October 8) that it would split the company to focus on cloud computing and artificial intelligence. Arvind Krishna, who became CEO in April...[Details]

introduction Maxim's MAX9635, MAX44007, and MAX44009 high-performance ambient light sensors integrate a photodiode, an analog front end (AFE), two high-resolution analog-to-digital converters ...[Details]