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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by leprien

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    CD/DVD Player

    recordin dvd to cd i havent tried this yet but you record to a music cd in stereo maybe the video can be transfered to audio and recorded to eather the left or right which ever is opposite of the sound then using the outputs from a portable cd player splicing the audio side into 2 outputs will...
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    Please Help.... Timer Circuit Needed.

    stop watch well sounds like a bit of work to make the circuit if thats all you want it for. I would take apart a cheap stop watch and sodder conections to the display inputs and record whats hot when certain numbers are displayed use this out put to run any circuit that would be subsiqeunt to it.
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    I need your help!

    bypass well I assume you would use a series of transisters each one trigering the next with a delay circuite between them. I would just set up bypasses between the curcuits. For example led 1 is lit by transistor 1 sending electricity to the capacitor delaying the trigger of the next...
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    Robotic Hand, what could I use?

    electric hydrolics get a small pump use hydrolics small hydrolics arn't to exspensive push and pull a solid rod to creat your move ment if the duty you ar doing is light use compresed air. a simple design i think would be make a spider shaped gripper...
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    1000 watts power ampifier

    had a 2200 watt amp it didnt produce that much sound powering 2 12 inch rockfords in a sealed box didn't sound much louder than my 2 15s of an offbrand and a 200 watt amp except it had a harder hit
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    circuit description for half duplex walky-talky needed

    if you get info send it my way well based on what your looking for all I can tell you is it consists of a key, microphone, frequency converter of some sort and frequency detector/microphone, an amp then output to speaker. but the info i am looking for is if there are skematics for a 2way...
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    Audio Transformer (help)

    A stun gun ? well if you are looking to give somthing a good zap from a battery you will most likely need a transformer to convert the voltage to ac from dc. I have never heard of an audio transformer befor i thought you were talking about converting soundwaves into some energy of wich i did...
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    data to serial port and musicmatch program info

    oops sorry i miss typed the paralell printer port is what i meant
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    2 way radios

    2 way radios have multiple channels how do i use 2 different channels @ once? Dose anyone know where i can get skematics for 2way radios. planning on sending info over multiple channels to display info in a color at a position on a grid using time slicing sending info to its addressed...
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    Making a small 12v DC converter to 3.8v (HOW??? HELP!!!)

    converter You can get universal converters with adjustable voltage for cd players radar detectors exc. They plug right into the lighter in a car, do a little splicing, positive to positive negative to negative make sure of this. I am not quite sure but i think the one i had label 3.8...
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    data to serial port and musicmatch program info

    If anyone has any info on sending data to the serial port please send me that info. I know i can label port #s and send info but how do i find the address for the printer port. also I want to take apart music match to send to the program info from the serial port. can i label users or somthing...
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    computer printer port interface

    a possability well i do know if you make a microphone you dont need to attach the power that goes to the speaker to anything. insulate the referance votage to the speaker. then use the input connection for your input. You need a mic for each input. lower the voltage and amperage for input to...

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