POST No. 2407045
OpenCR - matching connectors better yet cables?
2018-10-31 22:27:21 kurteck

I am thinking about connecting up my UP board to the OpenCR by using a BEC which supplies 5v and plug it into the barrel connector of the UP... As to not accidentally fry another one :( ...

So I was wondering if Robotis sells in matching cables that plug into power out connector (or 12v connector) of the OpenCR board.

I believe these connectors are (SMW250-02) connectors.   

If Robotis does not sell them, do you know of a matching connector cable (or parts)  that would work, that hopefully can be purchased from some place easy to get a few parts, like Amazon, or Digikey, Mouser, Sparkfun, Adafruit...

Likewise the 5v connector.  I believe that one is a Molex connector.  I know you supply one that converts that one to a standard 2 pin .1" connector as part of the Turtlebot 3 package.  Again wondering if that cable is available or a list of parts? 



2018-10-31 22:27:21
2018-11-02 11:08:14 Will Son

Hi Kurt,

Unfortunately, the SMW250-02 mating connector(SMH250-02) cable is not available in the market yet.

The cable that uses the connector is included in Bioloid Kit for its battery, but it's not sold separately.

It might be easier for you to simply replace the SMW250-02 to Molex 5267-02 or some other connector that has 2.5mm pitch for now.

If I correctly understood your second question, the cable converts Molex 5264-02 to 2.54 female header.

I apologize for the inconvenience, and bring this issue for improvement.

Thank you!

2018-11-05 00:19:16 kurteck
Thanks Will,

That is what I sort of assumed as I did not find any cable/connectors that looked like a match. For now I prefer to not modify the board as if something goes wrong, it would probably void...

So I will just semi-rig it with using standard 2 pin .1" connector, Yes that is 2.54mm instead of 2.5, but close enough to push in. Obviously there is no matching parts of that type of connection to keep you from plugging it in the wrong direction. But will be on the lookout for some connectors that are reasonably close to fitting...
2018-11-05 00:19:16
2018-11-02 11:08:14
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