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    Graphic equalizer

    Hello. I'm on the lookout for some kind of graphic equalizer solution for use in a home-made hearing aid.  My plan is to measure the hearing impairment and set up an audiogram (http://en.wikipedia.org/wiki/Audiogram), and make a combined equalizer/amplifier to neutralize the impairment.  But...
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    GSM signal sensor

    I want to try to design a circuit to mute/pause my Ipod when my cell phone is either ringing og recieves an SMS.  I have a fairly good idea of how to achieve the muting/pausing of the Ipod.  But I'm at a loss on how to detect the GSM signal.  Can anyone help me with this? Just to specify:  I'm...
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    Circuit simulation and PCB design software

    I'm trying to get ahold of some simulution and PCB design software.  I've used Electronic Workbench Multisim and Ultiboard, but I'm not totally satisfied with it.  The software hangs quite often, and I've had much problems with generating a netlist in Multisim and transferring it to Ultiboard. ...
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    Tandberg Solvsuper renovation + DAB project

    Hello there, one and all. Since I've just finished a project, it's time to start a new one.  I've been putting this one off for too long. :)  I purchased an old but working Tandberg Solvsuper 12 radio a couple of years back.  It's a kindof classic Norwegian brand, and I really love the look and...
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