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The USART of STM32F10x supports DMA mode and can generate an interrupt after DMA is completed. This is very helpful for application scenarios that need to receive or send large amounts of data.
F...[Details]
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The original intention of this program is to output a matrix wave, but if you run it with a microcontroller experimental board, you will find that it seems that P1^1 (that is, the second LED tube is a...[Details]
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As an important tool in the electronics industry (communications industry), spectrum analyzer is a basic skill for communications engineers to understand its basic functional framework and basic work...[Details]
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Huishoubao, a professional domestic second-hand mobile phone recycling platform, announced the new phone value retention list for the first half of 2019. The OnePlus 7 Pro ranked first with a launch ...[Details]
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Take 20M oscilloscope bandwidth as the limiting standard, set the voltage to PK-PK (effective value can also be measured), remove the clip and ground wire on the oscilloscope control head (because ...[Details]
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Xiaomi announced today that it will launch the Xiaomi Box 4S Pro, priced at 399 yuan, and reservations will start at 0:00 on November 5. Xiaomi Box 4S Pro is an upgraded version of Xiaomi Box 4S. Fro...[Details]
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Specific description: Make a light flash, turn on for 500ms and then turn off for 500ms
Flowchart:
Simulation diagram:
Source code:
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The switching power supply takes safety and reliability as the first principle. The power management monitoring chip is used in the design of high-performance and high-power ATX power supply to achie...[Details]
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On April 26, Tongfu Microelectronics released its first quarter report of 2020. The company achieved operating income of 2.166 billion yuan in January-March 2020, a year-on-year increase of 31.01%; t...[Details]
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The simulation system of the single-chip microcomputer motor speed measurement system uses the T1 counter in the single-chip microcomputer to count the speed pulses. Timer T1 works in the external ev...[Details]
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With the development of the LED display market, full-color SMD lamp beads will gradually become the mainstream light-emitting devices for outdoor displays in the future. In the process of outdoor...[Details]
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The system uses the GSM remote communication system to control the operation of the air conditioner and other equipment in the car. Users can achieve human-computer interaction through text message...[Details]
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I. Overview MF50 is a magnetoelectric rectifier instrument. It can be used to measure AC/DC voltage, AC/DC current, resistance and audio level, transistor static DC gain HFE, ICEO, LI, LV, inductance...[Details]
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The GSM 2G network has been around for more than 30 years, and there are still many services that require 2G. However, the network has too many security vulnerabilities. Google has already supp...[Details]
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According to Business Korea, LG Chem has begun to inject capital into its battery joint venture with General Motors (GM). LG Chem's business report released recently showed that the company invested ...[Details]
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