Team Blacksheep CROSSFIRE Manual page 47

If you own a Nano Rx, there is no longer the complete BST plug available on it. In this case, just connect
SCL to SCL and SDA to SDA on all devices. The Pinout of the plug in general:
Note: even if the BST bus got the same labels as your non-TBS GPS or compass, they don't work on the BST
bus!
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