CCTV1 has been broadcasting Shunliu recently. He suffered such a big blow last night (it’s not easy to be a soldier, and it’s very touching to be a tough guy!). He is suspected to want to avenge his s...
I now have a wince input method installation file, but after the installation is successful, I can't find the execution program. What's going on? Can someone please give me an answer~~~~~...
[i=s] This post was last edited by lb8820265 on 2017-12-12 23:50 [/i] [font=微软雅黑][size=3]First, the video: [/size][/font] [align=center][font=微软雅黑][size=3][media=swf,500,375]http://v.youku.com/v_show/...
4. Display of pictures
In the display screen routine, a picture display function is provided. Can we display our own picture content?
1 ) Identification of color patterns
Before we display our own pic...
The exact problem has been found. As long as P2.4 is set as input (P2.0 input, both ports are connected to the ground with 10K resistors, and the rest are set as outputs), and AD P2.0 acquisition is s...
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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[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]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
0 Introduction
The sense of smell is closely related to human life. In daily life, many industries including tobacco, food, cosmetics, etc. still need human sense of smell to identify and judge samp...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
Beijing time, June 29 early morning news, JPMorgan Chase analyst Mark Moskowitz (Mark Moskowitz) released a report on Thursday, saying that Apple's iPhone 5 will take the lead in the smartphone market...[Details]