Mike Spurgeon

On 9/2/2010 1:31 PM, BLuRry wrote:
> On Sep 2, 1:23 pm, schmidtd<schmi...@my-deja.com> wrote:
>> On Sep 2, 1:48 pm, BLuRry<brendan.rob...@gmail.com> wrote:
>>
>>> Volt meter? :-) You can see the voltage reading bounce around on the
>>> RX pin when there's data coming over. If anything, it's the best
>>> thing to check that you're not going to blow a serial port elsewhere.
>>
>> One time, I had a guy tell me he just stuck his tongue against the
>> pins to feel for it... I figure I'll use a slightly more sanitary
>> method.
>
> Ah yes..< 12 volts -- but how many amps? ;-)

I've played around with a phone company 1.5 volt wet cell. Really nice
clear case, about 8x16x24, but it melted/burned most anything connected.

Michael J. Mahon

On 9/2/2010 11:44 PM, Mike Spurgeon wrote:
> On 9/2/2010 1:31 PM, BLuRry wrote:
>> On Sep 2, 1:23 pm, schmidtd<schmi...@my-deja.com> wrote:
>>> On Sep 2, 1:48 pm, BLuRry<brendan.rob...@gmail.com> wrote:
>>>
>>>> Volt meter? :-) You can see the voltage reading bounce around on the
>>>> RX pin when there's data coming over. If anything, it's the best
>>>> thing to check that you're not going to blow a serial port elsewhere.
>>>
>>> One time, I had a guy tell me he just stuck his tongue against the
>>> pins to feel for it... I figure I'll use a slightly more sanitary
>>> method.
>>
>> Ah yes..< 12 volts -- but how many amps? ;-)
>
> I've played around with a phone company 1.5 volt wet cell. Really nice
> clear case, about 8x16x24, but it melted/burned most anything connected.

Lots of current available. ;-)

-michael

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