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Interrupt stopwatch digital segment experiment source code #include reg51.h #include intrins.h int i=0,k=0; int decade,units; int m,n; void delay(n); void displayLED(unsigned char x) { unsigne...[Details]

1. Introduction to key technologies of the solution 1.1 Differences between ANC and AANC In the traditional (FF) mode (static ANC), ANC filters according to the input signal to produce an...[Details]

On October 24, OPPO, the world's leading smart terminal manufacturer, released its latest flagship mobile phone Find X8/X8 pro, which features a thin and light straight screen and imaging flags...[Details]

　　Figure 1 is the circuit principle of the high-speed control scheme LED display. The MCS51 series single-chip microcomputer is used to control the LED display; the random access memory 62512 is used...[Details]

On December 1, the 2023 Open Atomic School Origin Tour (Suzhou Station), hosted by the Open Atomic Open Source Foundation, hosted by Soochow University, and supported by strategic cooperation provide...[Details]

Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]

     Sina Digital News reported on the morning of February 3 that Apple today released the macOS Big Sur 11.3 developer beta. In addition to fixing bugs, it also brings more customization options to ...[Details]

As shown in Figure 1.52, La is composed of n1 and n2 windings, among which C2 and n2 windings together form a negative feedback control channel to improve the voltage stability of the purification po...[Details]

In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL. ①HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz. ②HSE is a high-speed external clock that can be conn...[Details]

According to Digitimes, Apple iPhone 13 is about to be officially released. There are reports that Apple’s 2022 iPhone will add a titanium alloy model, but the back shell-related industry said that i...[Details]

Data acquisition systems are widely used in the fields of industry, national defense, image processing, signal detection, etc. DSP processor is a high-speed digital signal processor. Bluetooth tech...[Details]

Command system overview Instructions are instructions and commands used by the computer to control a specific action performed by various functional components. The set of instructions that a compu...[Details]

　　Outdoor lighting is usually controlled by manually operated mechanical switches to turn the lighting system on or off. To save energy, you may not want to keep the lighting system on in a certain a...[Details]

Function: PA8 can drive the LED light to flash with random delay, and connect PA8 to PA7 port with Dupont line. PA7 is the 2nd channel of general timer TIM3. In the TIM3_CH2 trigger interrupt program,...[Details]

Spectrum analyzer is a commonly used test instrument in radio frequency and microwave applications. Through spectrum analyzer testing, many important performance parameters can be obtained, such as s...[Details]