?PR?input?KEYPAD SEGMENT CODE[color=#FF0000]//What does the "?" in this line of code mean? I searched the Internet for a long time but got no results[/color] PUBLIC input ?DT?input?KEYPAD SEGMENT DATA...
MicroPython has added a configuration option to choose whether to automatically mount the SD card at startup. [code] // Whether to automatically mount (and boot from) the SD card if it's present #ifnd...
The content of config.bib in my BSP is as follows: IF IMGFLASH ! #define NKSTART 80100000 #define NKLEN 01B00000 #define RAMSTART 81F00000 #define RAMLEN 02100000 [b]ELSE[/b] ;IMGFLASH #define NKSTART...
[i=s]This post was last edited by mzb2012 on 2016-11-17 00:16[/i] [size=3][size=5]1. Introduction[/size] The use of IO ports is actually extensive and profound. Although it seems simple, it can simula...
[align=left][color=black][font=微软雅黑, sans-serif][size=14pt]Perhaps you have always wanted to get involved in the world of RF, but have not yet made a plan[/size][/font][/color][/align][align=left][col...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]