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The RX Bridge upgrades your ArbotiX RoboController from an AX-12 controller to an Dynamixel DX/RX/EX controller. This add-on board converts your existing ArbotiX Robocontroller TTL serial port into an RS-485 serial protocol.

The RX-Bridge answers the call for a high end, fully programmable controller for the higher end range of Dynamixels at a much lower pricepoint than other less-capable controllers on the market.

NOTE: Your PyPose/NUKE install must be version 0013 or higher to support the RX bridge. PyPose/NUKE currently does not support the higher resolution of EX servos (version 0014 will)


Enabling use of DX/RX/EX series servos in the existing ArbotiX software is extremely simple; just a single line of code needs to be added to your program. Your existing AX-12 based project can easily be scaled up to using the more powerful higher end Dynamixels, with few if any modifications needing to be made.

See more on using the ArbotiX software

Frequently Asked Questions

Q: Can my ArbotiX control RX and AX servos at the same time?
A: No, the RX bridge converts your ArbotiX into an RX controller, when using the RX Bridge, the AX servo ports will be disabled.