Thank you for the reply.
In the end, I'm thinking about triggering a battery charge event on the 
phone using only electronics (see 
http://electronics.stackexchange.com/questions/109058/trigger-charge-in-android-phone-using-a-pir)

Do you think it could work?


On Sunday, May 4, 2014 5:07:36 AM UTC+2, Ytai wrote:
>
> 1. You can check the supported devices page on the wiki. Most chances are 
> that it will work fine over ADB.
> 2. Probably not. I don't think the Teensy supports USB Host, which is what 
> would be required in this case.
> 3. The power supply would need to be able to source enough current to 
> charge the phone. Not sure whether AA are the best option. I normally 
> prefer LiPo for portable setups. You don't need a regulator, the IOIO had 
> an onboard one. Just supply 5-15V.
> On May 3, 2014 4:03 AM, "ultimoamore" <[email protected] <javascript:>> 
> wrote:
>
>> Hi,
>>
>> I'd like to use an old phone (Huawei Sonic) as a house alarm. The phone 
>> would ring me whenever it detects movement in the apartment. I was thinking 
>> about using a PIR + IOIO + phone to do it.
>> Some questions:
>>
>> 1) will the IOIO work with my phone? Or is OTG functionality needed on 
>> the phone?
>> 2) can I use something even simpler (teensy) to do it?
>> 3) can I use standard rechargeable AA batteries (+ maybe a voltage 
>> regulator) on the IOIO?
>>
>> Thank you in advance for the replies.
>>
>>
>>
>> Leonardo
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