Hello everyone, today I used PSPICE to simulate an RC oscillator circuit. There is a problem that I have not figured out, please help me, experts, please give me some advice. The circuit is very simpl...
Guangzhou Yuanjing Microelectronics Co., Ltd. has been specialized in McCann MDT microcontrollers, ten-speed microcontrollers, and 10-speed microcontrollers since 1999. Roman]TENX[/font][/size][/font]...
Shenzhen's well-known communications company is looking for low-level software designers and engineers with high salaries. Bachelor's degree for more than 2 years, master's degree for more than 1.5 ye...
#define led BIT0 P1DIR=0xff; P1OUT|=BIT0;//Set to 1, the light is on delay();// Delay P1OUT&=~BIT0;// Set to 0, the light is off Is this correct? ? Or should it be written as: #define led BIT0 P1DIR=0...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:25[/i] [b]The solution to Problem C of the 2009 National Undergraduate Electronic Design Competition[/size][/font][/color][/b] by Huang Zhiwe...
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
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[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]
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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]