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Recent content by prinsloo

  1. prinsloo

    If IP is known on a network ...

    Friends I am on a network at work. Yesterday they came to log my IP addess. The IP is static, not auto detect. *Can they track my serving habbits? *How do I block this? *Can I change my IP by using Hide IP? Regards
  2. prinsloo

    GPS signal jammer circuit

    gps jammer circuit Dear Members I want to build a GPS signal jammer. Does anybody know of circuits I can try? I surfed the web but did not find a lot of options. It must use a power supply of aprox 13.8V. Thx
  3. prinsloo

    how to learn electronics??

    Hi. Try this from EPE magazine.
  4. prinsloo

    Witch math program ........

    Thanks my friend. I downloaded the trail version-to test it out. I'll keep in touch. You have helped me a lot. Regards
  5. prinsloo

    Witch math program ........

    Dear Sir. The uTorrent I got is at this link-h**p://www.utorrent.com/download.php . I dont see a connection to maths. Could you please assist me. I recently downloaded the MATAMATICA player but is still unable to grasp integration and differentiation. Is their a program I can use? Regards
  6. prinsloo

    Witch math program ........

    Dear Members Is there a math program that I can download such as MASTERMATHS or something simular? Thanks in advance.
  7. prinsloo

    Car battery charger circuit needed

    lm7812 battery charger Dear Sir. You will need the following: 1) a transformer capable converting the supply voltage to ±15-18 V AC , 300 VA,± 15 Amps at the secondary side. 2) an ordanary rectifier circuit-AC to DC See JAN & FEB 2007 EPE MAGAZINE
  8. prinsloo

    Drill machine problem

    Dear Sir. Your power supply can't produce enough amps to keep the drill going. Regards :cry:
  9. prinsloo

    ECG Lead Selector Switch circuit

    ecg lead switching Dear Member I am not an expert but it seems to me that you must look at the propability of using a micro controller.(PIC or something simular) You want a push button to change the status and simultaneasiously it must show the status on a LCD screen. A PIC 16F84 should beable...
  10. prinsloo

    MPASM CODE FOR PUSH BUTTON

    mpasm save w register Dear Members How do I write a code (not in C pls) for this : The LED must be off when I switch on the PIC. If I press the button once it must switch the LED on. Regards
  11. prinsloo

    I need some document about Current Transformer~~PLS HELP~~

    Re: I need some document about Current Transformer~~PLS HELP Dear Member Please see the diagram- 1. Make sure that ALL the CT's (if you use 2 or 3) is in the same direction (Arrow on CT will indicate current flow) 2. Do not disconnect CT when the circuit is alive!!!! 3. Always earth one...
  12. prinsloo

    Help!!! ISP schematic and software for P89C52RD

    Hi Hope this helps. w*w.iweil.com/micro/8051/8951an.pdf
  13. prinsloo

    pushbutton problem.pls help.

    Can anybody please assisst me? I uploaded all the files I have. Regards Johan
  14. prinsloo

    What's wrong with this circuit?

    Re: Still not working Dear Members I tried the .jpg diagram that is available.Now the light is off-when the 5V is present it does not switch on.Is the voltage on the gate to low? What should the voltage be? I don't understand the data sheet so well. How do I fix it? Thanks in advance...
  15. prinsloo

    pushbutton problem.pls help.

    Dear Members Thanks for the response so far.I have attached ALL the files I have on this project.The push button have a resistor-1k-to earth or negative. I don't know assembly language-these file was created via CROCODILE TECHNOLOGY program.(flow code) The c-language file was also created via...

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