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Recently, Coolpad’s countdown poster for new products revealed a lot of information about the new products. Let’s take a look. Coolpad's new product is the Coolpad 26th Anniversary Collector's Edit...[Details]
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1. RCC related: APB2 starts the clock item: RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, ...[Details]
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WLCSP is the wafer-level chip packaging method, and its full name is Wafer-Level Chip Scale Packaging Technology. Different from the traditional chip packaging method (cutting first and then p...[Details]
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Soil tester is now very popular in the agricultural field. Soil tester can speak with numbers, and provide an expert formula fertilization plan by measuring the nutrient content in the soil. However...[Details]
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The common function of the two is to avoid voltage "suspension" and cause circuit instability;
1. The pull-up resistor is shown in the figure:
1. Concept: Connect an uncertain signal to the po...[Details]
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Sony Xperia’s official Weibo account released a preview poster, indicating that there is still one day left before the release of the Chinese version of Xperia 5, which means that Sony will hold a pr...[Details]
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What is a register for? How do I configure it? What does it do after I configure it? Registers are components of the CPU. They are high-speed storage components with limited storage capacity. They c...[Details]
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1. What is the fixed relationship between bandwidth and sampling frequency?
Theoretically, the sampling rate needs to satisfy the sampling law of Nongxiaoxiang, that is, each cycle of the highest fr...[Details]
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Problem Description: In the official naked program of TQ2440, the SD card is read first and then written, and the program is found to be stuck. If the SD card is written first and then read, the ...[Details]
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In fact, the accuracy of the transformer tester is not its most important indicator. The transformer measurement and verification standard specification stipulates that the test error value generated...[Details]
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1. Introduction to I2C Protocol The I2C communication protocol (Inter-Integrated Circuit) was developed by Phiilps. It has few pins, simple hardware implementation, strong scalability, and does not...[Details]
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Abstract: In order to realize the intelligent analysis function of high-definition video, this paper introduces a design scheme of high-definition video intelligent analysis system with TI's DM81...[Details]
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This experiment uses the W25Q64 chip W25Q64 is a large-capacity SPI FLASH product launched by Winbond, with a capacity of 64Mb. The 25Q series devices far exceed ordinary serial flash devices in ...[Details]
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Circuit design includes two specific work areas: schematic diagram and circuit board diagram. These two areas are highly unified and have obvious differences. It can be done by one professional eng...[Details]
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In the first "International Solar Storage Direct Flexible Technology Application Competition" held in Xiongan New Area, Chengde Xinxin Vanadium Titanium Energy Storage Technology Co., Ltd. won ...[Details]