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"Originally, there are many people who can design very good chips , but the market does not give domestic chips the opportunity to iterate, and domestic companies cannot give engine...[Details]

1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]

I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]

The adoption rate of serverless cloud computing is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless is still an eme...[Details]

Kevin Jensen ams Semiconductor Sensors and lighting expert. Let's learn more about the relevant content with the network communication editor. Everything is becoming "smart" these ...[Details]

In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]

Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]

ADC Introduction:     ADC (Analog-to-Digital Converter). That is, converting analog signals into digital signals for processing. When storing or transmitting, analog-to-digital converters are almost ...[Details]

STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]

1. Function and purpose         There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]

#include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f ,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; unsigne...[Details]

Title: Use the table lookup method to convert a hexadecimal number into ASCII code. The input parameter is placed in the internal RAM 50H, and the output parameter is in R0. Requirements: Complete th...[Details]

Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]

Assume that the MCS-51 microcontroller uses a 12MHz crystal oscillator, and wants to use a timer to generate a pulse with a duty cycle of about 30% and a period of 60ms at port P1.0. ;==============...[Details]

　　The STC12C5412AD microcontroller is an enhanced 8051 standard 51 series microcontroller. It is 12 times faster than the ordinary 8051 and can be programmed on a home computer without an emulator. 　...[Details]