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...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]