I have been using the infrared all-in-one machine for more than a year. Recently, I visited customers and they felt that there were too many problems. 1. It is not clear at night. 2. It is easy to fog...
[font=宋体][color=rgb(12,12,12)][backcolor=rgb(255, 255, 255)][size=24px][size=2]Disclaimer: This article is excerpted from the Chinese translation of the world-class book "The Definitive Guide to Opera...
Read_usb1(0,rcv_data,&Length); //Receive data from USB and put it into rcv_data. The data here is normal for(i=0;iRichedit_data-Text=ascr; Why does the value in rcv_data have some extra characters ine...
I use 149, crystal oscillator 8M, and timer interrupt. In the main program, I clear R6 first, enter the interrupt, add 1 to R6, and then process other things. I jump out of the interrupt and return to...
I don't know if the MSP430F1XXX series of microcontrollers can achieve real-time acquisition of audio below 20kHz and SD card storage. Can this be achieved using DMA?...
[i=s] This post was last edited by littleshrimp on 2016-4-14 15:50[/i] At noon, I went to the supermarket and bought a piece of beef, some peppers, a bag of sauce and a piece of bread Wash and soak th...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[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]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[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]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Industrial Control Electronics
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