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    BBC Micro User Port pinout

    Thanks for the large amount of info. but isnt there a 20 pin IDC ribbon cable somewhere? srry, should have mentioned that before.
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    BBC Micro User Port pinout

  3. L

    BBC Micro User Port pinout

    hi, does anyone know where i can get the pinout for the user port(parallel) of the bbc micro? I really need this for my school. plz help.
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    noob question.

    hi, i have been reading a lot of articles on the web about preamps. consider the schematic on this page: http://www.till.com/articles/GuitarPreamp/ wouldnt that just give a fluctuating DC output(like wave2.bmp), instead of AC(like wave1.bmp)? please help, i dont get this.
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    HiFi voltage etc..

    thanks loads, really needed that. should have worked that out myself.
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    HiFi voltage etc..

    what are the common voltages(rms and peak) used in the following cases. hifi equipment(like CD player) phono outputs guitar pickup output amp to speaker(say an 8 ohm imp.) also, what is the highest voltage you can put into the input of a guitar amp without blowing up transistors.(specifically...
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    what is this chip?

    hi, i have taken apart this optical mouse, and there is this camera-chip-thing, that has on it: H2000 A0139 and thats it. i have searched the web for this, but have found nothing related, im looking for a datasheet with pinout. what is the correct name for this kind of chip, is it something...
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    newbie question

    hmm..ok, i have refined the concept a little, i need the power supply to accomodate an lcd(consumes about 250ma). The input must be a 9v battery, and it must produce an output of 5v. what should i use to build this supply? could i use this...
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    newbie question

    hi, i have just started with electronics, and i was wondering, is there a component out there that would sort of strip off power from a power supply to give a 5v output, as the power supply dropped from 12v? is this called a zener diode or something?
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