Hello everyone, we want to develop an accessory, which uses the same circuit as the washing machine water level sensor. When the core insertion position changes, the coil inductance changes, the reson...
Analysis of WDM kernel driver model WDM driver is an important part of Windows 2000 operating system. Its normal operation requires the support of other kernel components of Windows 2000. At the same ...
I recently made an alarm clock using MSP430FR2633, so here comes the problem! CapTIvate touch, modify ui8TouchThreshold by yourself. I didn’t use any GUI tool to modify the touch threshold, but I chan...
This book is the sequel to the book "Wonderful Use of Multimeters", which specifically introduces the latest application technology of multimeters. The book is divided into three parts. Chapter 1 summ...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:17 [/i] :) I am preparing the amplifier now, but I don’t know how to start with the filter. Should I also make some modules in advance? ? ? ...
[size=4]Yesterday, we counted the number of netizens who participated in the quiz challenge, [b] and arranged the first batch of deliveries. The courier number can be found by [url=https://bbs.eeworld...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[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]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[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]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Analog electronics
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