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//Three flow modes and four flow speeds of running lights   #include msp430f149.h      typedef unsigned int  uint;      uint i = 0,j = 0,dir = 0;   uint flag = 0,speed = 0;      void main( void )   {...[Details]

Introduction: This paper presents a temperature intelligent monitoring instrument with ATMET's 89C51 single-chip microcomputer as the core. The monitoring instrument has the functions of automaticall...[Details]

The 51 series microcontroller has 5 interrupt sources and 2 priorities, which can realize a two-level interrupt service nested structure. Many 51-compatible microcontrollers now have 4 priority level...[Details]

The company's new digital car key module will be five times more accurate in sensing the location of a smartphone than existing key modules LG Innotek said in a press release on January 25 that ...[Details]

In the development and application of transmitters, it is often encountered that the output of the required transmitter is different from the output of the existing transmitter, or the output of the u...[Details]

This article mainly records the data collection and simple processing of dust sensors by STM32. Materials:  1. Zhengdian Atom Mini Development Board STM32f103RC  2. ZH03A Laser Dust Sensor    3. USB...[Details]

NXP Semiconductors recently announced the launch of the QN9090 and QN9030 Bluetooth 5 SoCs, which support 802.15.4, multi-protocol RF and NFC. The latest additions to the QN series of Bluetooth low e...[Details]

If you use Google to search the term "POV led" (POV stands for persistence of vision) on the Internet, you will find introductions to the production of various LED rotating screens from all over t...[Details]

      Today, Redmi announced the key parameters of the Redmi Note 11 series - support for 120W super-fast charging. 　　Redmi introduced that 120W is the charging power ceiling in the industry and a dr...[Details]

Abstract: In some electronic systems, a DC offset voltage at the inputs will contribute a significant error to the output. This is especially true in high gain configurations. An offset adjustment cir...[Details]

　　1. Common chip types in LCD monitors 　　1. Commonly used MCUs in LCD displays 　　The development of LCD has gone through a process from multi-chip to single-chip. No matter which solution is adop...[Details]

1. Classification of spectrum analyzers Spectrum analyzers are generally divided into two categories: so-called "swept" spectrum analyzers and FFT spectrum analyzers. A swept spectrum analyzer uses o...[Details]

Code: /* The fourth example of C language Question: Enter a certain year, a certain month and a certain day, and determine what day of the year this day is? Program analysis: Taking March 5th as ...[Details]

There are several charging errors when using APC UPS power supply. If you don't pay attention, the consequences will be very serious. No initial charging The first charge of the APC ups power suppl...[Details]

Recently, the National Highway Traffic Safety Administration (NHTSA) of the United States launched an investigation into 2.4 million vehicles equipped with Tesla's fully autonomous driving (FSD) so...[Details]