Controlling Dynamixel servos - half duplex

W9GFO

I'm thinking about getting a couple Dynamixel XL430-W250-T servos to use for a custom autopilot for my pedal powered boats.

My question is, will using the half duplex object in the OBEX eliminate the need for building the full duplex to half duplex converter circuit?

JonnyMac

You don't need to build a half-duplex converter circuit -- a bi-directional level shifter using a MOSFET (popular in I2C circuits) will work fine.

My object doesn't yet implement all Dynamixel 2.0 features, but it handles the ones you'll probably use most. A couple of my friends have used this code for props in the film industry. To connect to that Dynamixel you'll use the start_ttl() method.

W9GFO

Thanks Jon!