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  1. #1
    Join Date
    13th October 2014
    Location
    Bridgeton, NJ
    Posts
    485

    Question Add Ext Beeper to older Stratologger CF PCB

    I'd like to add the SL CF ext beeper to an older CF PCB - the model just before they revised the PCB for the 3-pin modular connector.

    After reviewing some of the past TRF posts about the beeper, and comparing both PCBs it appears possible. If I haven't missed anything, all that is needed is:
    (1) A connection to R14 (the 3.3v logic),
    (2) The addition of a 33 ohm resistor (R18) for the +V line, and
    (3) A ground connection

    Of course this assumes the revised CF PCB/circuitry didn't include something not visible that would be important for the beeper's operation.

    Has anyone done this? If so, anything I missed or something else? Is your mod working OK?

    NAR 98451 L2; MDRA 024; BARC 001 (President)
    L1 - Madcow Honest John 2.6, CTI H163
    L2 - Madcow Level 2, CTI J335
    Mile High Club 5,650 ft (07/16/16)

  2. #2
    Join Date
    24th October 2011
    Location
    Portland, OR
    Posts
    487
    I don't have the answer for you, but have you asked PerfectFlite about this? They're really good about responding to questions via their website. I've always received responses back in a day or two.
    NAR#93520
    TRA#16436

  3. #3
    Join Date
    13th October 2014
    Location
    Bridgeton, NJ
    Posts
    485
    Not yet, but I know that option exists. I was just wondering if anyone else had considered it and what their experience might have been. Guessing from the absence of replies it's not happening or not worth the effort.
    NAR 98451 L2; MDRA 024; BARC 001 (President)
    L1 - Madcow Honest John 2.6, CTI H163
    L2 - Madcow Level 2, CTI J335
    Mile High Club 5,650 ft (07/16/16)

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