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Step 1: Set the pins used for the serial port. The receiving pin is GPIO_Mode_IN_FLOATING; //Floating input
The sent value is GPIO_Mode_AF_PP; // Multiplexed push-pull output
Step 2: Set void N...[Details]
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void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource); //Determine the mapping relationship between ports and interrupt lines void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct); ...[Details]
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Abstract: This article introduces the in-system programmable (ISP) technology and the characteristics of ISP devices. The working principle of the variable M/T speed measurement circuit is analyz...[Details]
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If a DAC is used in a feedback loop of an operational amplifier, the amplification gain is inversely proportional to the DAC input number or input code, and the inversion makes the scaling ratio inve...[Details]
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Thirty years ago, the use of Micron's 16kb EEPROM in the powertrain became the biggest change since the Ford Model T rolled off the assembly line. In the following thirty years, Micron has been deepl...[Details]
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The Internet of Things (IoT) is taking shape. Manufacturers who want to integrate wireless modules into their products are now faced with completely new testing requirements. The largest network oper...[Details]
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Preface Based on JZ2440 development board 1. Mind map 2. Code 1.uart.c The code is as follows (example): /****************************************************** *********************** * * File...[Details]
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With the rapid development of the global automobile market, we can see the rapid iteration and evolution of technology in multiple dimensions, such as the advancement of intelligent connected cars an...[Details]
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The cluster infection of foreign workers at Jingyuan wafer testing factory continues to attract attention in the industry. In an interview with local media on the morning of the 9th, the company stat...[Details]
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OPPO held a new product launch conference and released the Find X5 series flagship mobile phones, the first tablet OPPO Pad and other products. Among them, the Find X5 series uses the self-dev...[Details]
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Intel just announced Thunderbolt 5, which it has demonstrated with prototype laptops and docking stations, with bandwidth up to 120 Gbps when using a “bandwidth boost” feature.
Thunderbo...[Details]
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Modern mobile phone technology began with the analog signal AMPS developed by Bell Labs in the United States in 1983. The United States is the birthplace of mobile phone technology. Later, the pan-...[Details]
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At the 2019 Hangzhou Yunqi Conference, Intel and Alibaba Cloud signed a strategic cooperation memorandum and announced that they will work closely in the fields of 360 8K VR, 3D digital twins, cloud ...[Details]
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A constant current source is a power source that can output a constant current. The application field of constant current sources is very broad. However, many occasions where constant current sourc...[Details]
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Since the advent of the arc welding inverter in the 1980s, it has become the mainstream product of welding power supply after continuous development and improvement. The inverter frequency of arc w...[Details]
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