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USB2AX Interface to Dynamixel Servos

Artikelnummer: XEV-USB2AX

USB-Stecker zur Steuerung von Dynamixel Servomotoren, die in TTL kommunizieren, wie der AX-12A oder der MX-28T.

Kategorie: Zweibeiner, Humanoide

40,47 €

inkl. 16% USt. , zzgl. Versand (Standard)

momentan nicht verfügbar

The USB2AX is a small interface to control Dynamixel servos with TTL interface from a computer (such as the AX-12 and the MX-xxT). It plugs into a USB port and has a 3-pin Dynamixel connector to be connected to the servos. A typical use scenario is in a small mobile robot with a laptop or an embedded computer (like a Raspberry PI) as a brain and servos to move legs, arms or claws.

In addition to it's micro size the USB2AX's advanced firmware enables lower latency than the USB2Dynamixel and implements advanced functionality including sync_read and bulk_read. .

What servos can it talk to?

Basically, it can talk with any device which uses a half-duplex TTL interface (3-pins connector)  and the Dynamixel protocol. More specifically:

  • All of the AX servos (AX-12/AX-12+/AX-12A, AX-12W, AX-18F/AX-18A).
  • The "T" versions of the MX servos (MX-28T, MX-64T, MX-106T).
  • (Unsupported) It can probably communicate with some other servos that use the same protocol and interface as the AX servos, like the CDS5500.


  • Communication with AX and MX Dynamixel servos (with 3 wires) @ 1Mbps
  • Very small (16x36mm)
  • Optimized latency
  • Protection against ESD and short circuits
  • Advanced functionalities: sync_read, bulk_read...
  • Windows / Linux / MacOS
  • Firmware updates
  • Open Source Software & Hardware, programmable and hackable!


What can't it do?

  • The USB2AX can not communicate with the Dynamixel servos using the RS485 interface (the one with 4 pins).
  • Neither can it control any sort of hobby/RC servos or other brand of robot servos.
  • Compared to the USB2Dynamixel, it also lacks the RS232 port (with its big DB9 connector) used to program some controllers from Robotis like the CM-510.
  • It can not supply power to the servos.
  • It is not a generic USB to Serial (even though it can be modified to be one) and has very different capabilities than the LN-101.

Driver (for Windows): usb2ax.inf

For documentation, CAD files, sources:

Versandgewicht: 0,10 Kg