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] <javascript:>> > Date: Thu, June 11, 2015 8:19 am > To: [email protected] <javascript:> > > 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] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > 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.
