In the above, our driver is placed in the directory of the kernel source code and compiled into a driver module. In many cases, weget a driver source code and do not need to put it in the kernel sourc...
[i=s]This post was last edited by QWE4562009 on 2022-5-16 18:34[/i]Diodes and PotentialsIf the negative pole of VD3 is 1.2V and R1 is disconnected, then is the voltage at point A 1.2V plus the voltage...
When a black line is detected, it is 1; #include
#include
#define uchar unsigned char
#define uint unsigned intsbit REDR1=P1^0;
sbit REDR2=P1^1;
sbit REDL2=P1^2;
sbit REDL1=P1^3;sbit ZUO_IN1=P1^4;
sbi...
[i=s]This post was last edited by ketose on 2015-11-20 09:14[/i] Last time I posted the assembly process of the car, but it is not yet complete. This time I will post a few pictures of the car that is...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
Embedded System
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