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introduction The dual-tone multi-frequency (DTMF) signal was invented by Bell Labs. It was originally used as a user signaling between telephones and switches in telephone systems, usually...[Details]

The V/I converter is a circuit that can control the output current with a voltage signal. The difference between the two-wire V/I converter and the general V/I converter circuit is that the voltage...[Details]

On July 5, 2024, Ideal Auto announced at the 2024 Smart Driving Summer Conference that it will push the "mapless NOA" to all Ideal AD Max users in July, and will push fully automatic AES (automatic...[Details]

Reducing device power consumption to improve battery life in embedded system applications is a hot topic in its design. In the sleep state, the system is in the lowest current consumption s...[Details]

A logic analyzer is a waveform testing device similar to an oscilloscope. It is used to monitor the logic level of the hardware circuit when it is working, store it, and express it intuitively in a g...[Details]

In recent years, LED as a new energy-saving light source has won high investment enthusiasm and great attention in the world and China, and has penetrated from outdoor to indoor lighting application m...[Details]

As the market is rushing to buy, as a consumer, you still need to be calm and make scientific analysis when choosing LEDs, and choose the light sources and lamps with the best cost performance. T...[Details]

The latest report released by Tianfeng International analyst Ming-Chi Kuo pointed out that the fierce price competition for Mini LED chips began in 2021, and Sanan Optoelectronics/Chinese suppliers a...[Details]

　　Electromagnetic interference is widely present in various electronic and electrical equipment. When working, various electronic and electrical equipment will more or less emit electromagnetic waves...[Details]

At the end of October, Tyco Tianrun Semiconductor (hereinafter referred to as "Tyco Tianrun") announced that its Series D financing received joint support from a certain international semiconductor g...[Details]

The black swan-like epidemic has fanned countless "wings". For the semiconductor field, the price increase of MCU may be a "storm" it has transmitted. The price has increased by more than 20%? As th...[Details]

1Written in front If you are a beginner and have not yet understood the basics of IAR (Workspace Project Node), I suggest you read my other two articles first: EWSTM8 Series Tutorial 06_Project N...[Details]

        Today I played around with the ultrasonic ranging module I bought before. I connected the 51 single-chip microcomputer to the 12864 LCD and the HC-SR04 ultrasonic module, and that's it. I have...[Details]

#include reg52.h   #define uchar unsigned char   #define uint unsigned int   sbit beep=P0^0;   void delay(uint z)   {       uint x,y;       for(x=z;x 0;x--)           for(y=111;y 0;y--);   }   void m...[Details]

1. SPI controller datasheet 1For details, please refer to: http://blog.csdn.net/hustyangju/article/details/20474659 2 All SPI registers are mapped to the kernel space and acce...[Details]