Re: [Gumstix-users] Building my own USB to TTL level serial adapter

[Jake <hor...@um...>]

It was a futureDial cable from a local RadioShack.  It uses a PL-2303 
chip which I believe is 3.3v.  A quick Google search shows a bunch of 
devices whose data cables use this chip.  The drivers are built into the 
Linux kernel and easy to obtain for Windows. 

Arnar Birgisson wrote:
> On 2/13/07, Jake <hor...@um...> wrote:
>   
>> Arnar,
>>
>> I use a cell phone data cable, it has usb on one end and a special
>> connector on the other.  I think it's from an old Nokia cell phone but
>> I'm sure most all would work.  Or I believe a Palm Pilot data cable
>> would work.  You just have to cut off the end that connects to the
>> device and expose the 4~5 wires.  Make sure the circuit is not in the
>> end connector, mine was in a plastic case in the middle of the cable.
>> If you have a cell phone shop or an electronics store around it might be
>> worth a shot if you don't want to build one.
>>     
>
> Hey I might try that out.. do you know the TTL levels (5 or 3.3V) on
> the cable you have?
>
> Arnar
>
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