Dan,
I know this is 7 months old at this point, but would you happen to have the 
BOM for this board? Eagle's exported parts list contains insufficient 
information to find everything (namely the pin headers). This looks like a 
sweet board, and I am hoping to get some fabbed soon, thank you for posting 
it!
Paul

On Tuesday, October 8, 2019 at 8:57:58 AM UTC-6, Daniel Block wrote:
>
> Heads up for anyone using the expansion connectors on the BB X15.  I spent 
> much of yesterday debugging this issue.  The BB X15 ships with a small 
> piece of tape on each of the underneath expansion headers.  I didn't 
> realize this and connected the new BB X15 to my expansion board and the 
> piece of tape got shoved inside the connector.  Because of this some of my 
> pins where not connected to the expansion board because they were blocked 
> by the tape.  
> So when unpacking a new BB X15 make sure the remove those small pieces of 
> tape from the connectors if you plan to use them.  I bet the tape is left 
> on the connectors because many people do not use the expansion and debris 
> could get in the connectors.  
> Dan  
>
> On Wednesday, June 12, 2019 at 11:17:49 AM UTC-5, Daniel Block wrote:
>>
>> I thought I would post this to the BB x15 group in case some else would 
>> find this board helpful.  I created this board in EagleCAD 7.  It breaks 
>> out most of the PINs of the 4 expansion connectors of the BBx15.  Hopefully 
>> the schematic is documented enough that you can solder up the board 
>> yourself.  If you want to use the board to just break out the expansion 
>> connectors you do not need to solder any of the chips except for the  7 
>> SN74CBTD16211DL chips that are level converters that would allow 5V 
>> signals.  
>>
>> Dan
>>
>>

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