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Recent content by shorty

  1. S

    Digital input with voltage from 5VDC to 230VAC

    hello is is possible do create a digital input (for a PC IO Card) with a variable input voltage from 5VDC to 230VAC -optocoupled without jumper, the speed is not important (like multimeter automatic range switch ) Thanx Peter
  2. S

    Which company can produce flexible PCB?

    Re: Flexible PCB hi my last flex Print´s came from ilfa.de i olso try´d haeusermann.at but they are more expencive Shorty
  3. S

    What's the maximum LCD cable length for connecting it to microcontroller?

    Re: LCD cable length hi i have testet cable lengh up to 30 m with standard rs 232 cable (shielded)and it works fine the value of the pull ups must be low (1k2) shorty
  4. S

    5V in to +-12V@30mA out DC/DC converter

    12v 5v dc converter hi if you don´t have to use the cheapest choice , then you can use a ready DCDC like TMA 0512D from Traco Power or so shorty
  5. S

    analog multiplexer (hight current)

    hi up to 5 mA you have no problems with 4051, (I prefer HEF because the others seem to drift with temperature) yeard ago i build a universal Sensormultiplexer with reed relais shorty
  6. S

    where can i buy Metaldome´s (to use in foilkeypad´s)

    Metaldome hello where can i buy Metaldome´s (to use in foilkeypad´s) :? Shorty
  7. S

    I need a literature for PC104 signals or ISA standard.

    Hi hope this will help Shorty
  8. S

    If anybody need help in EAGLE, ask me in this POST !

    hide unrouted in eagle layout hello webtype at the end of drawing type "RATSNEST" then eagle calculates Polygons and Airwires new, if there are no more airewires eagle writes "nothing to do" if not so, there are unroutet Airwires....click route and click on the board if there are unroutet...
  9. S

    Hameg 407 error in dig. mode

    hameg 407 Hi my Hameg 407 has this error in dig. mode : if i turn y pos, the value jumps in steps ! (both channels) even at measurement the value jumps anyone can help > calibration Software or so thanx Shorty
  10. S

    How to match antenna to amplifier output for maximum power?

    try to insert a little Lamp in series to the signal then you can trimm the filter or antennalengh to max. power Shorty
  11. S

    Does anyone have the scheme of a Theremim?

    hi **broken link removed** (look at google - theremin (not theremim), circuit) shorty
  12. S

    telephone switchboard clip function

    telefone clip funktion hi my telefonswitchboard (Keil K110) doesn´t support clip funktion is it possible to direct (bridge) the clip signal to one output of the switchboard (with kondensators or so) shorty
  13. S

    Ultrasonic driver for flowmetering

    Hi try this one www.polaroid-oem.com
  14. S

    IR Light Barrier - shielding the reflected light with foil?

    IR Light Barrier Hi i have to develop a IR measure light barrier and have a problem with reflexions. the wavelengh is >850nm who have experience with polarisation filters (zircular pol) is it possible to shield the reflected light with such foils or is this method not for reflexions on...
  15. S

    U*L*T*I*B*O*A*R*D TO E*A*G*L*E

    hello who knows or have a ULP that imports Ultib...5.16 (*.DDF) to E*A*G*L*E thanx
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