Ha, that thing looks even more like a rats nest than the first rover I 
tried to build.

One of the drawbacks of IOIO as opposed to Arduino is that there don't 
appear to be any "shields" for it. With Arduino you can just buy some 
accessory boards, solder the headers on them, plug them in, and hook wires 
to motors etc. With IOIO you have to do all the wiring and interfacing 
yourself, and then write all the software to run the thing.

I use prototype boards. Here are some I got recently that work out well.

http://www.amazon.com/gp/product/B007K7I8CI/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1

I solder female header pins to the IOIO and male pins to the proto 
board.That allows me to use the same IOIO for multiple projects, I can just 
unplug it from one and plug it into another one. I wire the pins on the 
prototype board to whatever else I need to hook up to. You also have room 
to add pullup resistors, etc if needed. You can easily wind up spending a 
lot of time soldering a lot of little wires to pins. Get a good soldering 
iron.

I don't know what kind of car you have there, but if the wheel motors are 
not servos it means you have some kind of motor controller that drives 
them. I have seen these come in quite a variety of forms but usually PWM 
signals control the speed and sometimes the direction as well. I am working 
with a controller at present for example that uses 1.5 ms as stop and 1.0 
ms - 2.0 ms as full reverse and full forward.

On Sunday, February 15, 2015 at 10:50:21 AM UTC-6, Thanos Fisherman wrote:
>
> Hey folks finally I made my first ioio car.
> I bought this <https://www.sparkfun.com/products/12090> chassis from 
> sparkfun which seems really nice and solid however I need some tips:
>
> 1. Is my circuit correct? Check out my attached schema
> 2. What Can I do to make it move faster? It's slow as turtle
> 3. What can I do to make the whole thing more compact? With less wires? is 
> there any ioio shield like that dude is using here 
> <http://youtu.be/mi6P9pIBYyw>?
>

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