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  1. H

    Ignition coil driver circuits and experiments

    Here is a simple circuit.
  2. H

    Keithley Electrometer 610B

    Here are some Related Links. http://www.esf.edu/pse/keller/Articles/RSI98_EBeam.pdf http://wwwrsphysse.anu.edu.au/ampl/research/am/hollowfibres/fibre.html http://www.weizmann.ac.il/home/detlab/preprints/DIA1JAP.pdf http://ajpheart.physiology.org/cgi/content/full/275/2/H542
  3. H

    led lighting

    Try this! http://ourworld.compuserve.com/homepages/Bill_Bowden/555.htm#555leds.gif
  4. H

    LEDs or Lamp Sequencer

    Sequential Flasher Here is a simple circuit for sequentially flashing Christmas light strings or other similar low-power lamps. The socket symbols may be single bulbs or sockets for lamp strings. The load must be capable of operating from DC since the SCRs rectify the line voltage. The SCRs must...
  5. H

    Electronic component testers

    Here are a few Goodies I have!
  6. H

    proportional temperature controller

    Here is a PDF of a temperature controller data sheet. http://www.ee.washington.edu/stores/DataSheets/linear/lm3911.pdf
  7. H

    proportional temperature controller

    I have a circuit that may help but I don't know if it can be posted. I got it out of the Encyclopedia of Electronic Circuits Volume 3 page 626.
  8. H

    time delay/ hold circuit

    This is so cool how did you get the diagram to show it in operation with the timing in progress and working?
  9. H

    Electronic component testers

    If you want to share your projects I'm sure we all could enjoy them if you post them on this page.
  10. H

    Timer help

    Try this link! http://www.zen22142.zen.co.uk/Circuits/Timing/asym.htm
  11. H

    Search Option

    Search option is a great tool. However yours lacks something very important. The option to view the original post in it's original section and the replys to that post.
  12. H

    LEDs or Lamp Sequencer

    This link is Forbibben to non members. Is there a way to get the info without registering?
  13. H

    RS422

    Try this page? http://para.maxim-ic.com/compare.asp?Fam=RS485&Tree=Interface&HP=Interface.cfm&ln=
  14. H

    how can i find...

    American Wire Gauge AWG OHMS PER WIRE SIZE 1000 FT. DIAMETER 1 .1264 .2893 2 .1593 .2576 3 .2009 .2294 4 .2533 .2043 5 .3195 .1819 6 .4028...
  15. H

    Open Schematics from the web

    They say you can open these Schematics with Protel 2.5 http://members.tripod.com/valveaudio/schematics.htm Can any one figure out how?
  16. H

    Help needed building a radio transmitter/receiver system

    Try This Link http://electronicsworld.tripod.com/remotecontrolsimages/remotecontrolsckt5.html
  17. H

    Quick question - Solid state Relay

    This is a Solid State Relay because it switches a larger load on and off without the use of metal contacts on the output. What does Solid State mean in your mind? Solid State in my mind means not mechanical
  18. H

    Sine wave power inverter

    I saw a circuit somewhere that used an Audio Amplifier as a Power Inverter by driving a Transformer with the Bridged Outputs. They fed a precision 60hz signwave into the inputs to drive it
  19. H

    Quick question - Solid state Relay

    Here is what they use in Paint Sprayers.
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