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...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
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]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[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]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]