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electronics



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220V live wire-in-wall scanner


220V live wire-in-wall scanner description This little circuit will help you to scan the line of a 220V live wire in the wall. The FET gate is connected to a capacitive metal sensor (which is usually a simple metal plate). When you hold the s
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Inverter circuit - 800mA of 12V power


This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V (British?) car. The circuit is simple, about 75% efficient and quite useful. By changing just a few components, you
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Model 2800 - Kilowatt Mosfet Audio Amplifier


Model 2800 Kilowatt Mosfet Audio Amplifier Table Of Contents Audio Amplifier Section Introduction Amplifier Overview Amplifier Features Amplifier Topology Getting Started Protec
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USB Cables Instruction for SONY Ericsson Series


USB Cables Instruction for SONY Ericsson Series Software function: edit logo, ring tone and phone book, realize high- speed data transform synchronization, receive and transmit multimedia messages, and support GPRS. Support types:     P
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The Linkwitz transform circuit

Introduction The Linkwitz transform circuit is a hugely flexible way to equalise the bottom end of a sealed loudspeaker enclosure.  Unlike the 'EAS' (Electronically Assisted Subwoofer) project or the ELFTM systems, a speaker tha
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HIGH AND LOW VOLTAGE CUT OFF WITH TIME DELAY

HIGH AND LOW  VOLTAGE CUT OFF WITH TIME DELAY Overview The power line fluctuations and cut-offs cause damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge a
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LINEAR PREDICTION - LINEAR PREDICTION FILTER

LINEAR PREDICTION INTRODUCTION Wouldn’t it be great to pick up tomorrow’s newspaper and read about prices – before they occur?  While that isn’t possible, perhaps the next best thing is to use the power of your computer to predict what
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Add-on CAPACITANCE METER

Add-on CAPACITANCE METER Tests capacitors from 1p to 10u, in 6 ranges Connect it to your multimeter  (0v - 10v scale)   This simple add-on capacitance meter has been specially designed to h
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Serial Port Receivers

Serial Port Receivers The following page will show you how to build your own infrared receiver for the serial port. Please note that the serial port driver in the LIRC package only supports 8250 compatible UARTs (this includes the most common
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IR Remote-Control Checker


IR Remote-Control Checker Suitable for any Infra-red emitting device 3V battery supply Circuit diagram: Parts: R1_____________470K  1/4W ResistorR2______________47R  1/4W ResistorD1______________LED  (Any di
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AYERON - Into the electric castle

AYERON Into the electric castle: Disc 1 I) WELCOME TO THE NEW DIMENSION Welcome! You have entered the cranial vistas of psychogenesis. This is the place of no-time and no-space. Do not be afraid for I am merely the vocal ma
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Simple PIC Programmer


Simple PIC Programmer Not having touched a PIC for about 18 months, and having been offered some freelance work programming a new PIC device, I needed a quick reintroduction to their architecture, software and little quirks. I ordered a couple
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Crossed and Straight cables - when to use them

Crossed and Straight cables - when to use them The following diagram shows the Normal use of Crossed and Straight cables (see also the notes below). Notes: 1.       We show Straight cables as BLU
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ABSOLUTE MEASUREMENTS OF ELECTRICAL QUANTITIES SOLUTION

Absolute measurements of electrical quantities Solution 1.     After some time t, the normal to the coil plane makes an angle w t with the magnetic field . Then, the magnetic flux through the coil is            
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PLANCK’S CONSTANT IN THE LIGHT OF AN INCANDESCENT LAMP SOLUTION


PLANCK’S CONSTANT IN THE LIGHT OF AN INCANDESCENT LAMP SOLUTION TASK 1   Draw the electric connections in the boxes and between boxes below.
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Connection and Circuit Technology

Connection and Circuit Technology Types of connection Two-wire DC and AC technology Proximity sensors in two-wire technology have only two connecting wires.  They are connected in series to the load to be switched and thus rec
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Motion Pixels Aware Video Player

Motion Pixels Aware Video Player Version 4.0 Table of Contents Using Aware Launching Aware in Windows 3.1 or Windows 3.11 Launching Aware in Windows 95 Loading a Video Clip MVI Playback Style Configuration Advanced C
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Using the MovieCD Remote Control (Version 4.0)


Using the MovieCD Remote Control  (Version 4.0) The Motion Pixels MovieCD Player automatically loads this configuration on the Windows desktop.  The following is a description of  the virtual remote control and its rela
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THE ILLUMINATI AND THE COUNCIL ON FOREIGN RELATIONS

THE ILLUMINATI AND THE COUNCIL ON FOREIGN RELATIONS     (By Myron Fagan)   'The question of how and why the United Nations is the crux of the great conspiracy to destroy the sovereignty of the United States an
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MULTI REGION DVD CODES - Disclaimer

MULTI REGION DVD CODES Disclaimer All the information supplied has been collected from various sources. Author can not be held responsible for any damage caused to your DVD player.   A A-Trend AD-L528
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