[i=s] This post was last edited by Dianyu Electronics Engineer on 2019-9-26 09:13 [/i]Design summary of RGB to VGA moduleRecently, I made a circuit board for converting RGB signals to VGA signals. Thi...
Turn on system Bluetooth
sudo service bluetooth start
Enter bluetoothctl
sudo bluetoothctl
Enter the following command
power on
agent on
default-agent
scan on
pair C0:50:27:32:09:33
After successful c...
I just bought a microcontroller development board, and when I encounter something I don’t understand, I’m asking for help. The problem is next to #include of the following program
#include"bstv51.h" u...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:44[/i]When preparing for the national competition, you can play with the color screen during your break. This color screen is a 240*360 displ...
Fault 1: Touch deviation phenomenon: The position touched by the finger does not coincide with the mouse arrow. Analysis: After installing the driver, when calibrating the position, the center of the ...
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]
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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]