Video tutorial on using Grove dual H-bridge module with DynamixShield and Due

Other Hardware Motors, Mechanics, Power and CNC
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I just uploaded a new video tutorial on how to use the Grove dual H-Bridge module with the DynamixShield and an Arduino Due to control DC motors. The DynamixShield is a product I am building that works with the Due to give you the ability to control Dynamixel smart servos, and it has a ton of Grove and RobotGeek connectors. Grove and RobotGeek are frameworks for robotics that allow you to purchase commercial modules and plug them in with a single cable.

If you like the DynamixShield and would like to have one, then please support my Kickstarter campaign so I can get them produced and made available.Here is a link to the campaign:
https://www.kickstarter.com/projects/neurorobotictech/arduino-shield-combines-smart-servos-and-plug-in-s

Here is a link to the video: DC Motor Control with Grove and DynamixShield - YouTube

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I was very surprised to see all the Dynamixel connectors appear to have three pins. How would one use the shield with Dynamixel's MX series servos? I was expecting the shield to have a RS485 interface.

Do you know how many normal hobby servos one could use with the board? It looks like the board should be able to connect to at least 19 hobby servos but I'm not sure if the analog pins can also be used to control servos. I don't know the Due well enough to know how many servos it can control.

Good luck on the campaign.