In the post [url=https://bbs.eeworld.com.cn/thread-1067616-1-1.html]Hello Buttons[/url], we used SW1 - SW4 buttons to change the display color of the RGB LED. The User Buttons Element inside was used ...
[size=4]The "materials" required for F2812 flashing and its program migration (bootloader): [/size] [size=4] [/size] [size=4]1. A set of F2812 evaluation boards [/size] [size=4]2. DSP-CCS platform [/s...
I wrote a program on WINCE... It takes a long time to click a button to enter an interface, so I want to use loading progress to solve it... What should I do... Is there a loading status of the cursor...
Please: Gentlemen, please pay attention when posting, and post under the corresponding technology column. I think as a technical website, we should post more new technologies and new software to make ...
As shown in Figure 1, this is a USB mounting hole. I want to make this mounting hole into a plum blossom solder pad, but it does not need to be grounded. I want to make it into an independent exposed ...
This series of books is very classic for single-chip microcomputer development. Although it was published around 2000, the technology involved is still very valuable now. So far, 11 volumes have been ...
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]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[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]
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]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[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]