This LONG note started out about Low-cost motor control. But that is but the top of a very interesting iceberg.
For a while I've thought Ben Nanonote [0] might, among a gazillion other use cases, be interesting as a dedicated master controller for one or more external systems that read sensors and control various actuators. One might argue that Nanonote is massive overkill, but at the same time a full Linuz system with display and keyboard for about $100 USD means your external; sensor/actuator platform can do low level stuff and then accept high level controls from the Nanonote master, and ship data they capture back to Ben/ Realtime issues are handled by the dedicated outboard systems, Ben is just the shop manager. Anyway, just discovered [1]. It includes an H-Bridge [3] The small AVR chips must cost about $1 USD or less, as this little servo controller costs only $20 USD. WOW To talk to this servo board, one could use the Ben 8:10 port plus an the DIY 8:10 breakout card by [4] Rikard Lindstrom <Ornotermes> maybe modified to slip into [6] the Sparkfun 8:10 gadget [0] https://sharism.cc/shop/product_info.php?products_id=1 [1] http://www.openservo.com/ [2]] http://www.openservo.com/BuyOpenServo [3] http://en.wikipedia.org/wiki/H_bridge [4] http://gallery.slashhome.se/main.php?g2_itemId=2919 [5] http://www.sparkfun.com/categories/20 [6] http://www.sparkfun.com/products/544 [7] http://jeelabs.org/ I realize sensor/actuator interfacing is NOT a mainstream focus of Qi-Hardware and associated irc channel. But if you are interested, please let me know and maybe we can keep in touch. I am simply curious I have NOTHING to sell. In the future I hope someone creates an off board system that speaks to Ben over (say) atUSB so sensors are remote from Ben as master controller. Another interesting mashup would be between Ben and the many clever cheap boards from Jee Labs.[7] Maybe once atUSB 6LoWPAN board is released, Jean-Claude Wippler (Jee Labs) might [I am SPECULATING] offer a new model with the same radio etc Werner is using. This would be Copyleft as it was intended to work I think. Then, Ben can act as master for the whole Jee labs home automation system. Obviously, an shorter route to a similar outcome would be Ben 8:10 to an existing Jee board, Not as elegant but should work. TRANSLATION Qi-Hardware 8:10 is similar to microSD, but without the baggage. You can figure it out. --- Ron K. Jeffries [email protected] _______________________________________________ Qi Hardware Discussion List Mail to list (members only): [email protected] Subscribe or Unsubscribe: http://lists.en.qi-hardware.com/mailman/listinfo/discussion
