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@Norton posted:

Apparently the Cruise lite differs from the Docksider board even though its labeled a Cruise Lite. Jon Z confirmed the Docksider board won’t drive RS without a buffer unlike a standard Cruise Lite. So Garrett has some choices to make if he wants any sound.

It's easy to add the buffer and just stick it under the R2LC.  Three of the leads connect to the R2LC socket for 5V, GND, and SER-DATA.  Then you can route the buffer output to the destination for the serial data.  The buffer imposes a very small high-impedance load on the serial data, so it won't affect the operation.

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