The parallel port emulator should be set up in the working mode of the computer parallel port.Please find a good board to compare the operation, it is easier to find the problem.If there are still pro...
May I ask where you guys have your boards SMTed? Are there any SMT factories in the Pearl River Delta that specialize in making prototypes and small batches? They can process small-size BGA (0.5 pitch...
[i=s]This post was last edited by littleshrimp on 2015-6-18 13:29[/i] [size=3]I have encountered the situation where the DCO program of MSP430FR5969 runs wild if it is configured as 16MHz before. I en...
Battery powered electromagnetic flow meter
1. OverviewThe ZY battery-powered electromagnetic flowmeter is specially designed for the water industry to meet the needs of urban water supply and ensure a...
When calling sqlite under wince, an error message appears: "Unable to find PInvoke DLL "SQLite.Interop.066.DLL"", but the two files SQLite.Interop.066.DLL and System.Data.SQLite.dll have been tested i...
I'd like to ask the moderator, has anyone used the serial port 4 of ST32M105? I used it in my project, but it doesn't work. However, the other serial ports 1, 2, and 3 work well. I transplanted it fro...
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]
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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[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
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]