hmm, sorry, data cable question

Lokkju Brennr lokkju at gmail.com
Fri May 20 17:00:19 UTC 2011


With a 7805 and max232, it looks like it is probably 5v (the circuit
is using the R2OUT/T2IN pins, which are Vcc, so 5v).  A MAX3232 with
something like a LM2940-3.3 would probably be a *much* better option,
and give you real 3.3v.

Loki

On Fri, May 20, 2011 at 7:43 AM, wpatan <wpatan at gmail.com> wrote:
> Please double check if your cable's output is 3.3v... this circuit could fry
> your phone.
> The output of MAX232 should not exceed 3.3v
>
>
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> View this message in context: http://baseband-devel.722152.n3.nabble.com/hmm-sorry-data-cable-question-tp2419703p2965845.html
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>
>




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