Design requirements of gas concentration detector based on at89s52: (1) Small size, light weight, easy to carry. The circuit uses a single-chip microcomputer as the main controller and is powered by a...
Recently, due to the death of the father of hybrid rice, a wave of learning and exploring hybrid rice has been set off on the Internet.
On the one hand, it is to pay tribute to the father of hybrid ri...
Is it necessary to add OSIntExit() function when the interrupt function, especially Tmr_TickISR_Handler, exits?But I have seen that many interrupts written by others are not added at all, that is, no ...
[p=30, null, left][font=宋体][font=Verdana][color=#a0522d] Linear regulators have long been widely used in the industry. Before switch-mode power supplies became mainstream after the 1960s, linear regul...
I saw it online, I don't know if it has any flashback issues.Baidu Cloud Disk
[hide]Link: https://pan.baidu.com/s/1ZFhK56UXgvfT3jYnrqvTFAExtraction code: 3wx0[/hide]...
[i=s]This post was last edited by ddllxxrr on 2014-8-19 13:21[/i] [p=18, null, left][color=rgb(51, 51, 51)]In the previous mbed digital input and output preliminary application, the user's input was j...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[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]
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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
MCU
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