Introduction to several 2.4G wireless data transmission modules Wireless data transmission is divided into two categories according to the transmission rate: low-speed data transmission module and hig...
I want to buy a DVD burner recently. I have a friend who knows me and I would like to recommend one to me. I found that there are too many on Taobao and the brands are too diverse! ~ The price should ...
Motor: Two-wire and four-wire stepper motor driver chip: DRV8812 Change vref to achieve the purpose of subdivision, vref waveform [img=110,0]https://bbs.eeworld.com.cn/forum.php?mod=image&aid=208849&s...
I am using Zhou Gong's template. I use two timers to capture the rising edge and falling edge respectively, and then subtract the two times to get the high level time. However, by setting flags and fl...
Hello everyone, I have a question for you. When reading data from an Oracle database or writing data to a database, how do I use Socket to transmit data? Currently, I put the SQL statements for readin...
As the title says, it seems that CE does not support GetProcessMemoryInfo() API. Is there any other way? I want to display the memory occupied by the current application in real time on the interface...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
RF/Wirelessly
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