[sdiy] MIDI with +3.3V supply

[Neil Johnson]

Hi,

Seb Francis wrote:

> Neil Johnson wrote:
>>
>> Seb Francis wrote:
>>> David Brown wrote:
>>>
>>>> It's worked on everything I've used it with.  Not a single problem.
>>>
>>> Good to know.  So it seems it's safe to work with the assumption  
>>> that a MIDI input has 220R and 1.3V diode.
>>
>> Except you will have a problem now if you are being driven by  
>> Seb's 3v3 MIDI output :)
>>
>
> Shouldn't make any difference surely?

For a standard receiver, no.

> Or are you talking about devices that are trying to run a uProc off  
> the MIDI bus .. yes I agree these might not be happy .. but then  
> these things are not operating to MIDI spec (they are drawing less  
> current to try and get a higher voltage).

My point exactly.

Neil
--
http://www.njohnson.co.uk