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Re: BPF and Teensy Problem


 

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Hi Tom, sorry for the troubles.? Several people have reported trouble with the Chinese pins not making contact because the quality control is poor.? That is a great place to start.? Also check the cables closely to make sure they are built correctly.? Even I made a couple of mistakes while building the cables getting them inverted or off by one pin at times (the privilege of getting old).? ?

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When I return from Hamvention, I¡¯ll see if I can find a cheap source for prime pins¡­ and carry them too.

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Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

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Owner - Operator

Big Signal Ranch ¨C K9ZC

Staunton, Illinois

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Owner ¨C Operator

Villa Grand Piton ¨C J68HZ

Soufriere, St. Lucia W.I.

Rent it:

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Moderator: North American QRO Group at Groups.IO.

Moderator: Amateur Radio Builders Group at Groups.IO.

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email:? bill@...

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From: [email protected] <[email protected]> On Behalf Of Tom Schulte via groups.io
Sent: Tuesday, May 6, 2025 6:56 AM
To: [email protected]
Subject: [SoftwareControlledHamRadio] BPF and Teensy Problem

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? ?I put together the BPF board, only three bands, powered up and had no connection between the teensy and computer. Disconnected the board and had connection with computer. Replaced teensy, now on fifth one, put back together and had connection. Teensy can not find the BPF board.?
I checked and rechecked the solder connections still nothing.?

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? ? Where or what should be looking for?

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Tom AB9EK

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