[osmocom] ******* battery

choukoumoun choukoumoun at gmail.com
Tue May 14 15:34:13 UTC 2013


Le 14/05/2013 16:22, Peter Stuge a écrit :
> choukoumoun wrote:
>>>> anyone has a solution for connecting to power directly to the
>>>> battery connector by usb?
>>>>
>>>> I thought used a 3.7V zener diodes in parallel between the - and +
>>>> USB power and a series resistor.
>>> I've used LP3874. You'll need a fair bit of capacitance in order to
>>> transmit.
>> Nice !!!!
>> How you connect?
> I designed a PCB with a battery contact and a case to hold it in
> place. I've seen several people solder connections permanently to
> the phone.
>
> Great !!!! Ok you will have a connection diagram? or a file for the PCB?
>> it was just the power connect to a USB port and trasmition and
>> another connection.
> I don't understand this.
I meant that I do not want to mix power and serial connection
>
>
> //Peter
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20130514/4fb2a0dd/attachment.html>


More information about the baseband-devel mailing list