The /fault signal is an output. You definitely DON'T want to connect it to the power supply. You then need to set /enable, /sleep, M0 and M1 to the desired values by either connecting them directly to 3.3V or GND or by connecting them to an I/O pin on the IOIO and controlling them in software.
On Thu, Apr 3, 2014 at 11:17 PM, Al B <[email protected]> wrote: > I need to control an Stepper motor <http://www.pololu.com/product/1200>with > the IOIO-OTG and the DRV8834 breakout > board<http://www.pololu.com/product/2134>. > However, I want to check with this group that I'm connecting it correctly > to the IOIO. Ytai once mentioned that for his ShoeBot project, he > connected the IOIO Vin to the driver <http://www.pololu.com/product/1182>Vmot > pin to supply power to the motor. That said, I have a 7.4V > Lipo > Battery<http://www.hobbypartz.com/98p-50c-5000-2s1p-hardcase-2222-direct.html>(5000mAh) > to supply power to the IOIO and here is how I think the pins > should be connected. > > *IOIO Pin DRV8834 Pin* > Vin ------> Vmot > GND ------> GND > P3 ------> STEP > P23 ------> DIR > 5V ------> FAULT > GND ------> GND > > I'm not sure if the last 2 are required since according to > Pololu<http://www.pololu.com/product/2134>, > "the DRV8834 does not require a logic supply". > > DRV8834 pins A2 ,A1, B2, and B1 connect to the motor, but I don't know if > I need to use M0 and M1 though. > > Any comment or correction will be appreciated! > > <https://lh6.googleusercontent.com/-GtoNxXI9YPA/Uz5M5bpSEPI/AAAAAAAABOo/nEj1ZUsNIh0/s1600/DRV8834.png> > > > -- > You received this message because you are subscribed to the Google Groups > "ioio-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
