Yes. You need a cable similar to the one that comes with the IOIO but with a micro B instead of micro A. On Jun 13, 2015 6:57 PM, "Alexander Kirillov" <[email protected]> wrote:
> Sorry. Indeed, I was trying to prevent the Android from drawing power from > an external battery. I will try to switch to device mode - all I need is to > get an OTG cable and plug that into the phone, right? (My phone does > support OTG, but only has the usual USB micro B plug, so I can't use the > OTG cable that came with ioio board). > > On Saturday, June 13, 2015 at 6:41:42 PM UTC-4, Ytai wrote: >> >> Your question is not very clear. Are you trying to prevent the Android >> from drawing power from an external battery? If so, using device mode is >> indeed a good solution, if your Android has support for it. If you don't >> want the IOIO to use the phone battery, power it externally. >> >> On Thu, Jun 11, 2015 at 5:25 PM, Alexander Kirillov <[email protected]> >> wrote: >> >>> Paul, >>> thanks, but I am building a robot for short mobile missions - so 1 hr >>> time for the phone would actually be OK. On the other hand, since the robot >>> is moving outdoors, I can't connect a phone charger plugged into a wall >>> outlet. >>> >>> Alexander >>> >>> >>> On Thursday, June 11, 2015 at 5:40:59 PM UTC-4, Paul James wrote: >>>> >>>> Alexander, >>>> >>>> Have a look at whether you can cannibalize the charging unit for the >>>> phone. On our tablet / ioio system (driving up to 21 relays - not all on at >>>> the same time, but does run 5+ relays at one time / 12 sensors) we spliced >>>> into the charging cable so that: >>>> - phone charger still powers the phone directly, >>>> - splice provides power to the ioio. >>>> >>>> There is a potential risk with voltage / current draws competing >>>> between the two devices - but this has not caused a problem for us. >>>> >>>> We use inexpensive tablets that have poor battery performance - they go >>>> flat within an hour or so of no charge. I expect a phone would draw less >>>> current than a tablet, so I expect you would have a little less trouble >>>> than we had initially. >>>> >>>> Paul James >>>> >>>> >>>> >>>> Water ReNu LLC. www.waterReNu.com <http://www.waterrenu.com> >>>> >>>> Dallas >>>> >>>> Texas USA >>>> >>>> >>>> -------- Original Message -------- >>>> Subject: device mode >>>> From: Alexander Kirillov <[email protected]> >>>> Date: Thu, June 11, 2015 8:19 am >>>> To: [email protected] >>>> >>>> Dear IOIO users: >>>> sorry if this has been asked before - I am new to the group. >>>> >>>> What is the best way to connect IOIO to a cell phone so that it uses as >>>> little power as possible? If I turn the charging pot all the way to the >>>> left, the phone doesn't see the board, and at the level where the phone >>>> sees the board reliably, the current is still too high for my setup (it >>>> overheats the voltage regulators I use to provide 5 v to the board). >>>> >>>> Can I use IOIO in device mode with the phone? What is the cable I >>>> should use then? >>>> >>>> I would rather not use bluetooth. >>>> >>>> Thanks! >>>> >>>> Sasha Kirillov >>>> >>>> >>>> -- >>>> 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. >>> >> >> -- > 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.
