[font="][size=16px][b] I received a USB flash drive as a prize from TE's EDM series promotion activities. I would like to express my gratitude to the community and TE! Here are some of the prizes I re...
It feels a bit difficult to learn analog electronics. Which expert can help me analyze this circuit? For example, the lm393 at the back (Figure 1) should be a square wave generator. After welding the ...
ADS1115 reads the data of the differential pressure transmitter. After mean filtering, it is found that the zero point drifts, and the zero point output voltage decays with operation. The zero point c...
[table=98%] [tr][td] I'm urgently looking for the model and manufacturer of the transmitting tube and receiving tube with a wavelength of 940nm, a remote control integrated head, and a fundamental wav...
[color=#333333][font=微软雅黑]Hello everyone: There are LED light strip products available, powered by 36V, with a total current of about 4~5A. It is necessary to detect the internal resistance of the pos...
The whole circuit is a single-chip temperature control system. I want to use MOC3041+BT136 to control the start and stop of the heating rod. Doesn't MOC3041 have the function of zero-crossing detectio...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
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]
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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[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]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[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]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]