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Now available in LFPAK56 and LFPAK88 packages with high efficiency switching and low spike characteristics Nijmegen, June 21, 2023: Nexperia, the high-volume production specialist in basic semicond...[Details]
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Today's portable devices are becoming more and more versatile and power hungry, which poses a great challenge to the design of portable battery power supplies. However, with a better understanding of ...[Details]
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A recent project involves the generation of six-channel PWM. I won't talk about this here. If you don't know, you can refer to my other blog. Here I will talk about how to turn off and on one channel...[Details]
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Voice broadcast ultrasonic ranging program, voice integrated circuit uses ISD4004 SS connected to P1.2 MOSI connected to P1.0 MISO connected to P1.1 SCLK connected to P1.3. Ultrasonic module uses comm...[Details]
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The background of the birth of frequency conversion technology is the widespread demand for stepless speed regulation of AC motors. Traditional DC speed regulation technology is limited in application...[Details]
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BlackBerry Mobile announced on Twitter today that TCL will stop selling BlackBerry phones on August 31, 2020. This means the end of an era. BlackBerry Mobile said that we are sorry to tell you that f...[Details]
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The wettability of a material is the ability of a liquid to maintain contact with a solid surface, which is proportional to hydrophilicity and inversely proportional to hydrophobicity. It is one of t...[Details]
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C Code //GPIOA8 is LED0 //GPIOA13 is KEY0 only contains startup code STM32F10x.s #define GPIOA_CRL (*(volatile unsigned long *)(0x40000000+0x10000+0x0800+0x00)) #define GPIOA_CRH (*...[Details]
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According to news on January 11, OmniVision Group released a new product OP03050 at the CES 2024 exhibition today. This is a low-power, small-size liquid crystal on silicon (LCOS) panel that integrat...[Details]
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1 Introduction According to the exercise heart rate, the exercise intensity level can be accurately divided. Through the intelligent judgment of the monitored heart rate according to the divided le...[Details]
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Precision is generally expressed as accuracy, which reflects the size of the basic error of the instrument. The higher the accuracy, the smaller the measurement error. The accuracy of the multimeter ...[Details]
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The so-called EMC is: the ability of a device or system to work normally in its electromagnetic environment and not cause unbearable electromagnetic interference to anything in the environment. E...[Details]
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Introduction EVM or Error Vector Magnitude is essentially a scalar measurement of digital modulation accuracy and is an important figure of merit for any digital modulation source. This article descr...[Details]
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Attached here is the receive interrupt source code #ifdef _RAISONANCE_ void USART_RX_IRQHandler(void) interrupt 28 #endif uint8_t cnt_USART; #ifdef _IAR_SYSTEMS_ #pragma vector=30 __interrupt void US...[Details]
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introduction
Single-phase motors are widely used in industrial production due to their simple structure, low cost, and easy maintenance. However, the starting and speed regulation pe...[Details]