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hall effect sensors

Discussion in 'Sensors and Actuators' started by twister, Feb 14, 2012.

  1. twister

    twister

    161
    6
    Feb 12, 2012
    I have a couple of hall effect sensors from Jameco electronics, that I want to experiment with.Jameco has very little info. on them. They are RS41 by Honeywell but I can't find any examples of circuits or pin outs for them. If anyone knows the pinout or a circuit I could sure use the help. I have been searching the web for an hour and I found this site, but I still haven't found a circuit yet.

    http://content.honeywell.com/sensing/prodinfo/solidstate/technical/hallbook.pdf

    I want to build a electronic ignition for a small motor that I have, that is no longer made anymore.
     
  2. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Much better if you post schematic diagram of electronic ignition system. So we can match the RS41 Hall sensor.
     
  3. twister

    twister

    161
    6
    Feb 12, 2012
    Well, I've been searching for two or three hours and I found some circuits for a SS41, which look very similar,, but no pinouts. I think they are sensitive to incorrect voltage hookups. I also think that stupid Jameco sold me some outdated sensors at a high price.

    http://sensing.honeywell.com/index.php?ci_id=54725&la_id=1&
     
  4. twister

    twister

    161
    6
    Feb 12, 2012
    I wish I could post a schematic, but I don't have a printer that is working. It is a very simple circuit. Just a automobile coil with a cap. in parallel and a MOSFET to ground, that will be controled by the sensor and amplifier. You can look at the second link I posted to see the sensors and amp. circuits, just add a MOSFET for the load.
     
  5. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Zoom in to fig 4. Left pin=VS, center Pin GND. Right Pin= OUT.
     
  6. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    You can use Fig. 3 diagram #5 for scr. If your electronic Ignition project was CDI and SCR.
     
  7. twister

    twister

    161
    6
    Feb 12, 2012
    Ha, ha, thanks a lot! These old eyes couldn't see the pin out. :D I think I can figure out the rest from here. Thanks a Lot.
     
  8. twister

    twister

    161
    6
    Feb 12, 2012
    I won't need a capacitor discharge system. With just the MOSFET I can get 5000 volts spark, which is plenty. That's what my old Toyota has and it runs great. I know I could get a lot more than that, but I like the KISS method. Keep It Simple Stupid. ha.
    I also have a couple other projects that I want to build with the sensors, but more on that later.
     
  9. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Hey. I like that KISS. It's another word I learned here in Electronics Point. The last one I learned was FFS from steve.:D:D:D
     
  10. twister

    twister

    161
    6
    Feb 12, 2012
    Ok, what does FFS mean? Inquiring minds want to know.
     
  11. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
  12. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    How 's project today?
     
    Last edited: Feb 15, 2012
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