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Nokia's E3500 wireless Bluetooth headset is now available. It will be on sale at 20:00 on September 9th, priced at 329 yuan. This wireless headset supports high-quality calls; the 10mm dynamic ...[Details]
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1. Application of Ultrasonic Technology Ultrasonic technology is widely used. For example, in the medical field, ultrasound can be used for two-dimensional imaging (B-ultrasound), three-dimensional i...[Details]
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Chip giant Qualcomm has announced the first Wi-Fi 6E chips, which should be faster and more reliable because they can tap into a wider range of extra radio waves. ...[Details]
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A light-emitting diode (LED) is a light-emitting device that directly injects current. It is the result of photons emitted when excited electrons inside a semiconductor crystal return from a high...[Details]
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At present, the batteries used in mobile phones on the Chinese market have completed the transition from NiMH and NiCd batteries to lithium batteries, but most people still use lithium batteries i...[Details]
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1 Introduction
; ; ; With the increasing application of I2C bus, there are more and more types of interface chips and memories compatible with I2C bus. Among them, digital potentiometers have been r...[Details]
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#include reg52.h
#define uint unsigned int
#define uchar unsigned char
sbit key1=P3^2;
typedef enum keystate{initstate,affirmstate,singlestate,repeatstate};// typedef enum±íʾ¶...[Details]
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#include reg52.H #include intrins.H sfr P1_ADC_EN = 0x97; // A/D conversion function enable register sfr ADC_CONTR = 0xC5; //A/D conversion control register sfr ADC_DATA = 0xC6; //A/D conversion re...[Details]
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How should we understand the peripherals of 51 microcontroller? Do the following experiment. Experiment 1: Experiment with external interrupt 0 Experimental steps: Connect one end of a DuPont cable...[Details]
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1. Pull up what needs to be pulled up, pull down what needs to be pulled down, add capacitors where necessary. In short, do not leave any pin of the MCU just lying there - and do not count on the pull...[Details]
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In recent years, affected by factors such as the global semiconductor production capacity shortage, the COVID-19 pandemic, and seasonal demand, the prices of memory devices have shown large fluctua...[Details]
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According to Taiwan Economic Daily, Intel CEO Gelsinger pointed out at the company’s capital expenditure update meeting that Intel’s 3nm outsourcing plan with TSMC is proceeding as planned. The mark...[Details]
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1. Conductive glue, conductive silver glue
Conductive glue is an indispensable glue in IED production and packaging. The requirements for conductive silver paste are good electrical and ...[Details]
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The serial port mentioned in embedded systems generally refers to the UART port, but we often don't understand the difference between it and the COM port, as well as the relationship between RS232 an...[Details]
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Apple officially released the new Mac mini equipped with M4 and M4 Pro chips through online updates. At the same time, Apple also announced that Mac mini became Apple’s first carbon-neutral Mac dev...[Details]