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  1. Replies
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    Sid, Thanks for posting the schematics....

    Sid,

    Thanks for posting the schematics. http://forums.parallax.com/images/smilies/tongue.gif

    Big Help!

    Rus

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along for the ride!
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    Schematic for BOE rev A

    I was just on the Parallax website searching for a schematic for the BOE rev A.

    Is it possible to get a link to it or have it sent as an attachment?

    I found on for the BOE rev C.

    Thanks,
    ...
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    The part number for the power connector that I am...

    The part number for the power connector that I am using is...

    2.1mm (DigiKeyCP-202A)·

    From what I understand this is a pretty common plug size...however, I am also open to other...
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    View Post

    Nick,



    Sometimes I'm jsut a moron.· I misspoke.

    For once I actually had it right.· On the Board Vin is connected to the external regulator 12+ output and Vss is to ground.

    Rus
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    Jon, I definitely need the Catalog!!! I...

    Jon,

    I definitely need the Catalog!!!

    I will most definitely buy you a Guiness!!

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along for the ride!
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    NIck, How would you recommend powering the...

    NIck,

    How would you recommend powering the stamp?·

    RUs

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along for the ride!
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    Hey Jon, You wouldn't happen to have a part...

    Hey Jon,

    You wouldn't happen to have a part number?

    I looked at the Digi-Key site and needless to say making my own switch from a hairbrush, a paperclip, and some twine would be easier than...
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    Reset Switch on BOE Rev A

    I need a part number/supplier for the reset switch used on the BOE revision A.

    I need to purchase them in bulk..

    Thanks,
    Rus

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along for...
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    Values of C1 and C2 on BOE

    What are the values of C1 and C2 on the BOE rev A?

    Thanks,

    Rus

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along for the ride!
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    Sid, I am supplying 12 volts to the Vss pin on...

    Sid,

    I am supplying 12 volts to the Vss pin on the stamp and allowing the onboard stamp regulator to regulate it down to 5.

    Rus

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "My mind wanders...I'm just along...
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    I have made additional changes to the PCB for the...

    I have made additional changes to the PCB for the IRL520 Driver Board.
    Rather than having to wire a stamp to it I have integrated the OEMBS2.
    I have also added an LM2940CT-12 voltage regulator...
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    No Biggie Sid.· The IRL520 wan't in the parts.· So I just used anything with a TO-220 Package.

    I really should go in and change that part number.

    Rus
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    Hey Sid,

    There are no VRs on the board.· The transistors are IRL520 Mosfets.· Pin1 is gate, Pin2 is drain, Pin3 is is Source.

    Rus
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    IRL 520 Driver

    Thanks to all who provided info and help with my schematics for the IRL 520 Driver!!!

    I have put together a driver board, designed with ExpressPCB.

    Would someone mind taking a look at the board...
  15. Ken, Do you remember what the recommended...

    Ken,

    Do you remember what the recommended Pullup/Pulldown resistor value is for stamp pins?

    I thought that perhaps I could kill two birds with one stone and use the recommended value to keep...
  16. View Post

    Thanks for checking out the schematic.· I can use all the help I can get!

    I thought about the suprssion diode just after I sent the schematic.· I added an 1N4004.

    I'll probably keep the value...
  17. Thanks, Ken for posting the bitmap of the...

    Thanks, Ken for posting the bitmap of the IRL520.http://forums.parallax.com/images/smilies/tongue.gif

    Using your image as a guidleline I went ahead and created a custom symbol for ExpressSCH.

    I...
  18. IRL520 Symbol in Express SCH - Being driven with BS2

    I am trying to create a schematic in the newst version of Express SCH.
    What symbol should I use for the IRL520?· http://forums.parallax.com/images/smilies/shocked.gif· Thanks

    Rus
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