[size=4] To improve the reliability of the system, the STM32F4 series MCU has an independent watchdog (IWDG) and a window watchdog (WWDG). Today's experiment is about the independent watchdog. [/size]...
Multi-level menu
The implementation of multi-level menus can be roughly divided into two design ideas:Implemented via a doubly linked list
Implementation through array lookupThe general idea is to con...
Title: Drive the digital tube to display dynamically, and move from right to left on 8 digital tubes and display the number "2019" cyclically. Use the toggle switch or key as the external interrupt re...
First of all, I felt novel when I saw this level test, and then I thought of the kids of engineers in our forum... Then I thought of the ESP32 development environment that was complained by engineers,...
In today's highly competitive environment, having an excellent product or service does not mean true success, and the customer experience in the purchase process is more important than ever. As the b...[Details]
1 Preface
With the development of electronic technology and the continuous expansion of the scale of integrated circuits, various application fields such as industry have increasingly stringent req...[Details]
On September 18, walking into the construction area of the Silipeng Sub-district Office in Yingcheng City, the main plant building that has been erected is undergoing roof capping construction. This...[Details]
1. Development of satellite navigation systems
The global satellite navigation system, also known as the Global Navigation Satellite System (GNSS), is an air-based radio navigation and posit...[Details]
Abstract: The characteristics of the cooking temperature curve of the intelligent rice cooker are analyzed, and a design scheme of the data acquisition system of the intelligent rice cooker is prop...[Details]
1. Rendering
2. Virtual Serial Port
Use VSPD virtual serial port tool to virtualize two serial ports for communication
VSPD virtual serial port tool download: http://download.csdn.net/...[Details]
Recently, a family drama "Little Joy" has made the problem of Chinese-style education more prominent. In the drama, parents are so worried about their children's studies that they perform various mar...[Details]
1. Calculation of transmission time at baud rate of 600 bits per second One frame of data includes: 1 start bit: 8 data bits; 1 flag bit; 1 stop bit; A total of 11 bits; There are three frames of dat...[Details]
Sometimes, we want to display different states on the front panel, similar to the chess pieces in Go, we need three states: black, white, and no pieces. If we use LEDs to represent them, there can onl...[Details]
Before using the timer/counter, you need to set its working mode through the timer/counter control word. There are two special function registers related to timing/counting in the microcontroller, wh...[Details]
The Samsung S20 Ultra and Xiaomi 10 Pro both chose high-resolution cameras with billions of pixels. Will the Huawei P series, which has made great achievements in imaging in recent years, follow s...[Details]
It is reported that Foxconn Chairman Liu Yangwei pointed out at the annual shareholders' meeting that silicon carbide for on-board chargers is expected to be mass-produced in 2023, automotive micropr...[Details]
1. Correctly set the DDRx direction register before performing read and write operations on the I/O port. 2. The initial state of the I/O port after reset is all input working mode, the internal pu...[Details]
0 Introduction
There are many methods for testing the stability of general power supplies. In the development of the 220 kV field emission gun transmission electron microscope, the stability of...[Details]
Microcontroller MCU
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