It's just a concept right now but I wanted others to see that the scale doesnt quite match. Right now its just stacked on there and neck is a little too long.
By Troy
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@LouisT Thats a great deal on the OMNI! Mine had no head, a broken arm and also busted wheel and still cost that much. Thanks for the idea but Im not visualizing what you mean by the tubes. confused
@jstarne1 Yeah it is. I wish someone already hacked it and posted online but theres nothing. :/ I guess I will pick away at it as I have time.
I would ditch the original controller and get some cheap cheap motor controllers since im sure those motors draw very little, you could even convert them to "servos" i believe somone posted about using feedback potentiometer , motor controller to make a DC motor act like a servo, then you can run directly from EZb.
True. I guess I have to resign myself that this will take a lot of parts to function and will need another EZ-B.
Hmm yea I imagine 12 ports , you will need 4 each arm and two for movement , so that's 18 if my math is right. You have the adc ports for it cliff detection , pir sensors and sonar pings. I went ahead and bought a second ezb just in case .
I had some spare time and decided to get into some light brain surgery. Here are the wires I've traced so far. If it helps I can barely read on one of the on board chips it says ATMEGA8L.
COLOR/ DESG/ END ITEM/ EFFECT
(ribbon cable white plug) red/ POWER/ base motherboard, Prob for motors? blk/ GND/ "" org/ 3V3/ "" separate power for logic? blu/ GND/ "" yel/ VRA/ "" could mean Variable Rate Audio(0 or 1). I tried google but idk
(ribbon cable red plug) This plug somehow transfers status of the buttons at the base. red/ SCK/ "" blk/ MOSI/ "" org/ SS/ "" blu/ CDS/ "" wht/ VOICE/ "" gry/ BUSY/ ""
brn/ motor/ head tilt fwd/back motor blk/
blu/ motor/ head turn left/right motor blk/
yel/ motor/ left/right right eye movement blk/
grn/ motor/ head tilt left/right blk/
wht/ motor/ eyelids open/close blk/
red/ motor/ mouth open/close blk/
blu/ LED/ left LED eye gry/ blu/ LED/ right LED eye
wht/ LED/ top front LED blu/
yel/ LED/ top back LED blu/
red,blu,blk/ POT/ head left/right turn pos. reading red,brn,blk/ POT/ head tilt fwd/back pos. reading red,grn,blk/ POT/ head tilt left/right pos. reading red,yel,blk/ POT/ left/right eye pos. reading red,wht,blk/ POT/ eyelids pos. reading
EDIT--Sorry I guess I cant just copy and paste from excel.
Glick... I am thinking I agree with Josh. I know it's a shame to waste the board that came with it but that's a lot of dc motors.
Would be nice to find a way to pass commands to that board from the EZ-B.
Yeah I wish I knew more about it. I'd hate ordering another board just for the head. :/ hehe no offense DJ! I'd also need to tap into those POTs to get position feedback. Im gonna continue my research a bit more before I give it a lobotomy.
Glick do you happen to have an ereader. I have a book I'd like to send you. It's called "Making Things Talk" it's basically breaks down how to hack things and make them communicate over cross platforms. It uses processing language. My email is [email protected], if you want to shoot me an email I'll return the book.
I am currently reading now to help with hacking into Robosapien body.