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  1. tedstruk

    A good cheap EPROM programmer

    Which EPROM programmer is the best buy, and has the most options?
  2. tedstruk

    rpm counter

    this unit probably failed cause I figured out how the LED worked...
  3. tedstruk

    Synthesiser keyboard - cant work out how to hold notes after trigger

    you have to make the entire board into a trigger system. after all its called a KEYBOARD. now don't take me as a tech.... I'm a really bad hack@electronicspoint so I would build a simulator keep the notes on, then I would attach a second circuit that fires a switch that acts like a note...
  4. tedstruk

    Need help to make telephone tap coupler schematic

    disconnect the phone receiver mic, and tap into the phone receiver speaker
  5. tedstruk

    DC motor Speed Control with high current and potentiometer

    not a potentiometer... What you are looking for is "A Rheostat"
  6. tedstruk

    running the hantek 1008c

    I think I am starting to get the hang of this sckilloscrap thingy... setting the controls wrong makes it impossible to understand nuthin,
  7. tedstruk

    Old expired '83 brain needs rework

    check this dip out.... it is a solid state board in place of a dip.... http://www.jetav8r.com/Vision/TCIRebuild/TCI_Rebuild.html http://www.jetav8r.com/Vision/ImageGallery1/0120.jpg I just wondered if the XVZ1200 has a similar brain board in it. Can this be replaced with an EPROM ?
  8. tedstruk

    Old expired '83 brain needs rework

    If you can't see the board... how do you tell if its solid state or not??? no tybes sorry Davenn!
  9. tedstruk

    Old expired '83 brain needs rework

    How can I tell if the TCI I have is solidstate or not?
  10. tedstruk

    rpm counter

    I have never heard of a VFD before..... No wonder I was confused. There are some LEDS on the board, I suppose I could use them in a simple rotational trigger pattern, based on signal? er uhm.. Do you have any use for it?
  11. tedstruk

    Question about scopes

    I have not used a scope much. Just this one time! I think I know what I did wrong, but I wanted to see if anyone had anything to add er sum. I am reading the field coils on my bikes flywheel that signal the ignition module where TDC(top dead center) in the firing sequence. The signal I got...
  12. tedstruk

    rpm counter

    pinouts of the counter readout.
  13. tedstruk

    rpm counter

    upload started working
  14. tedstruk

    rpm counter

    Its out of a JVC DVD recorder that went fritz
  15. tedstruk

    need Schematic for Hitachi Ltd. TCI

    Transistor Controlled Ingnition Type TID 12-17 26h-10 This is off a 1983 Yamaha Venture Royale XVZ12TDK The same unit might be used on the 1984 1200 VMAX too.
  16. tedstruk

    rpm counter

    I have an salvaged LED display that I want to build a sensor readout from. I have a set of field coils on an oriental motorcycle and I want to be able to read the signals that I get when the I crank the engine over. The 4 sends are each one side of a center tapped coil and there are 2 coils...
  17. tedstruk

    Old expired '83 brain needs rework

    The TCI manufacturer that I found.... the spec sheet of the TCI tried to upload the pic. upload failed. RESISTANCE OF PRIMARY WINDING COILS - CDI- capacitance, resistance 0.1 - 1.5 ohm TCI - Inductive, resistance 0.2 - 25 ohms TCI - Injection, resistance 0.2 -25 ohms duh... kind of squared...
  18. tedstruk

    rpm counter

    I was told that all LED displays are primarily the same, and as long as I have the processor that fires its display, that I cold use it to build a signal counter. I want to build a signal counter to count field coil pulses from a crank shaft. but the stuff I have to build it with is "state of...
  19. tedstruk

    Switches and diodes

    what you are talking about is first year electronics. they are called schottky(pronounced SKOT-KEE) diodes and they are used between the signal and ground. feel free to corrent my feeble brain...
  20. tedstruk

    eprom programming

    can you program an eprom with an SPF editor? I have some eproms and a trident SPF editor 0h:mad:
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