MAX3485 and MAX485 are both 485 communication chips, with operating voltages of 3.3V and 5V respectively. Can the two chips be used together, that is, the output pins A and B of the two chips are conn...
SELECT id, content, recivetime, readtime, statflag FROM goodsmessage ORDER BY recivetime DESC LIMIT 2 When I execute this in wince 5.0, it always says there is an error near LIMIT 2. Can any expert he...
How can I display the collected data in the edit? The data transmission by spcomm control is usable, but I don't know how to convert the data and how to display it in the edit. Is it necessary to have...
[font=微软雅黑][size=5]1. Introduction to LCD1602 Liquid Crystal Module[/size][/font][align=left][font=微软雅黑][size=3]What does LCD1602 mean? LCD stands for Liquid Crystal Display. 1602 means that 16 charac...
Hi guys, I want to ask, is it better to use VC or C# to develop winCE applications in .net environment? Can those with experience tell me the difference between them? I want to make something componen...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
DIY/Open Source Hardware
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