I'm making a quadcopter recently, and I need to set the altitude and control it autonomously. I'd like to ask the experts for their ideas. Do I need to use ultrasonic waves? How do I use it? :)...
Many bosses think that it is very simple to make multi-layer boards. In order to reduce the company's excessive expenses, most small and medium-sized enterprise bosses will outsource the multi-layer b...
Recently, there are some new members in the Hacker News recruitment trends, Blockchain, Bitcoin and Ethereum. In "Ask HN: Who is hiring?", you can check the progress of languages, frameworks and skill...
1. First of all, let me explain why you need to understand or learn StarterWare. I personally think the first point is that the StarterWare software contains a large number of routines, and the source...
[size=4] [/size] [size=4] As the title says, I have a question for you, boss. I used the kernel compression file provided in the CD. The manual says it is a .tar.xz file, but... there is only a .tar f...
[i=s]This post was last edited by sunboy25 on 2021-5-18 22:59[/i]I would like to ask, the normalized frequency in the op amp filter circuit is too abstract in the book and difficult to understand. How...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]