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LAN8720 configuration:  IP: 192.168.192.30  Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]

    This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]

The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]

Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]

This program sets the LED running light and the 0-16 numbers of the 0th position of the digital tube to light up in a cycle. The digital tube program cannot be put into the main function, because the...[Details]

Table of contents: 1 Overview 2: Common interrupt functions 3: PWM output  1 Overview In development, timers are widely used, which can be simply summarized into three aspects: 1.1: Application of ...[Details]

1. A/D (Analog-to-Digital) and D/A (Digital-to-Analog) Conversion 1. Pin AOUT: Analog output Vref: reference voltage AGND: Analog ground EXT: Ground OSC: Floating SCL，SDA：IIC AIN0, AIN1, AIN2: anal...[Details]

In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]

Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture Core processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]

Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]

; *************************************************** ; * Function : 8 LED flash program * ; * MICroProcessor : HT48R50A-1/28SKDIP-A * ; *Author:       www.picr.com                  * ; * Crystal : 4...[Details]

;Equal- period pulse width modulation PWM ; Crystal oscillator : 12M Hz ;89C51 P_PWM1 EQU P1.0 cycle EQU 1000 ;PWM cycle (in microseconds), the frequency is 1000 Hz cycle_high EQU 500 ; The time...[Details]

In 2018, the hottest trend is still artificial intelligence . The craze for artificial intelligence has swept all walks of life, whether it is the Internet of Things, smart hardware,...[Details]

Source program: SLAVR737.ASM uses AVR microcontroller 8-bit data to generate random numbers, outputs random numbers from PORTA and PORTC, and displays them on 8X8 LEDs. For hardware wiring circuit, s...[Details]

High reliability, powerful functions, high speed, low power consumption and low price have always been   important indicators for measuring the performance of  single-chip microcomputers , and are a...[Details]