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  • Users: stargate3216
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  1. stargate3216

    using RF to measure distance

    I think I have an idea. What you do is get the lowest fz osillator you can and plug it into a syn. binary counter. When you press a button it sends the voltage to the counter to start and the tranmitter. Then, when the reciver gets the signal after it comes back it sends the signal to the...
  2. stargate3216

    I have a circut that need checking

    So I should use a USB mouse and keyboard? Also, I can't buy the USB book right now, so it there any websites that example the details?
  3. stargate3216

    I have a circut that need checking

    And also: do you have a website that saids what leads on the keyboard and mouse are gnd and outputs?
  4. stargate3216

    I have a circut that need checking

    No more thing relating to the moniter. What size output do I need for the A/D converter? Will 8-bit work?
  5. stargate3216

    I have a circut that need checking

    Accually I'm doing it because I want a laptop but can't get one with the right stuff so I thought I would build a WiFi-like thing and hook it up to my computer and buy a laptop case, moniter, keyboard, and mouse, and put one side in it. About just the 5 pins. how do I know what 5 pin I need...
  6. stargate3216

    I have a circut that need checking

    1.I know a lot about electronics, its just that I make stupid mistates when I work fast, and I don't take certian things into account (like that monitor outputs are analog). What I am trying to build is a transmitter that takes a moniter ouput from my computer and transmits it to a moniter in a...
  7. stargate3216

    I have a circut that need checking

    Also, would this AM transmitter work well transmitting out to 250 ft? http://img.villagephotos.com/p/2004-11/888495/transmiter.JPG
  8. stargate3216

    I have a circut that need checking

    Anyother thing: where an I get a 1-16 analog demuiltiplexer?
  9. stargate3216

    I have a circut that need checking

    So its a analog circute. Ok, then I have to redesign it, but at lest it will work. I have a big queston. How do I make this: http://img.villagephotos.com/p/2004-11/888495/analog2.JPG Into this: http://img.villagephotos.com/p/2004-11/888495/Analog1.JPG I know I need a diode first, but what do I...
  10. stargate3216

    I have a circut that need checking

    I have to admit I don't know. The input comes from a standand computer monitor output, and I don't know if its A or D.
  11. stargate3216

    I have a circut that need checking

    Also (I keep forgeting to put things) I haven't show the recevering circute. I'll post it tomorrow also with the other 2 (the 1 that will transmit the keybroad and mouse signals and the 1 that recives them.)
  12. stargate3216

    I have a circut that need checking

    Oh ya. How to keep the clocks on both ends in syn. What I plan to do is have a second transmitter that transmites the clock signal to the reciver. There actually not be a second clock, is will just run off the signal. Speaking of which, how do I take the AM (after its though the diode) and...
  13. stargate3216

    I have a circut that need checking

    I plan to use on or off for 1 or 0. Also, what fz would the clock have to run at to stay ahead of the computer?
  14. stargate3216

    Circut need double checking.

    Ok, its a muiltiplexer w/ counter and clock that takes a 15 pin moniter input and compresses it into 1 line to be transmited. Also, does anyone know where I could find a small, compact, and cheap AM transmiter or schmatic for one? Also, smae requirments for a reciver Sorry the picture is...
  15. stargate3216

    PLC training

    Take a coispondence corse at your local communty collage. There very cheap.
  16. stargate3216

    Power Input of 50hz vs 60hz?

    You'd probably burn out the coil.
  17. stargate3216

    I have a circut that need checking

    Ok, its a muiltiplexer w/ counter and clock that takes a 15 pin moniter input and compresses it into 1 line to be transmited. Also, does anyone know where I could find a small, compact, and cheap AM transmiter or schmatic for one? Also, smae requirments for a reciver Sorry the picture is...

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