On July 30, the Dongxihu District People's Government of Wuhan City officially released the "Economic Operation Analysis of Investment and Construction in Dongxihu District in the First Half of the Ye...
Someone posted a document before, titled; What is analog circuit? See through it in one hour. https://bbs.eeworld.com.cn/viewthread.php?tid=101259&page=1&extra=page%3D1#pid335209. Do you think analog ...
Today I saw someone selling this thing on the Digital Home forum http://bbs.mydigit.cn/read.php?tid=394744 The first module with a big dsp is only ten yuan? I wonder if anyone can play with it?...
[color=#555555][backcolor=rgb(138, 137, 219)][font=simsun]Serial port, RS232, USART are often seen. In fact, I don’t know the real meaning of these terms, but I know that their communication protocols...
I am going to use STM32F103VB+24-bit AD to collect 3 channels of data. Each channel has a separate AD, and the 3 channels of AD are sampled synchronously. The collected data are first saved in a piece...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
introduction
As
a
software
development platform in the field of professional measurement and control, LABVIEW contains rich data acquisition, data signal analysis and powerful DAQ a...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
Multimedia applications such as mobile TV, mobile gaming, and audio playback present a huge challenge to power management design in mobile phones. Mobile phone designers need to keep the phone smal...[Details]
Talking
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