1. Place it outside your window. When the alarm rings in the morning, it will connect to your phone and send the temperature, humidity and other information to your phone, so as to help you decide the...
In XXX.bat, XXX.reg and source files, you will often see the three symbols;, @, and #. ; should mean comment out. How should @ be understood? For example: set BSP_NOUSBFN= set BSP_USBFNCLASS=SERIAL @R...
Universal main control board based on 3U PXIe ZU11EG1. Board Introduction
Based on 3U PXIe , ZU11EG/ZU7EG/ZU7EV realizes FMC data interface and main control calculation, and is widely used in industri...
After STVD builds the project, there is a file stm8_interrupt_vector.c. I built the interrupt vector and interrupt service function in it,but the question is, how do I enable and disable interrupts in...
Why learn Access?Why learn Access? Many friends will ask curiously, aren't you talking about Lm3sxxxx 's network development? Why are you talking about Access database? Isn't this irrelevant?No, not a...
The TE9263 development board uses the ATMEL AT91SAM9263 microcontroller, which has an embedded ARM926EJ-S processor. The parallel bus architecture of this processor uses distributed DMA, thus breaking...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[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]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]