[sdiy] New digital synthesis projects under way

[George P. Macklin]

Hello Eric,

Any updates on these boards? They look really interesting.

Cheers,
George


On Sun, Jul 19, 2009 at 10:03 AM, Eric Brombaugh <ebrombaugh1 at cox.net> wrote:
> Thanks Graham,
>
> Now that I've gotten some experience with SMD under my belt I'm pretty happy
> with it. I find some distinct advantages:
>
> * PC boards are smaller (cheaper to fab)
> * Ground planes are more contiguous (fewer thru-holes = better distribution
> of supplies on back of board)
> * Assembly is faster (don't have to flip the boards to solder & clip leads)
> * Passive components are cheaper
> * Component storage is more compact (100s on a strip of tape)
>
> Eric
>
> Graham Atkins wrote:
>>
>> Nice boards Eric, look very promising. The SMC part may put some
>> people off, but as SMC is here to stay we need to get used to it........
>>
>> have you noticed how commercial soldering pencils have become so
>> tiny lately !. Seriously I think this "modular" digital approach is what a
>> lot of people have been thinking about for some time but you are in the
>> lead at the moment. Look at how well the Midibox project is doing.
>>
>> Graham
>>
>> On 19 Jul 2009, at 16:47, Eric Brombaugh wrote:
>>
>>> Just a quick update on the dsPIC synthesis boards I'm working on. I've
>>> gotten the prototype PCBs back from the fab and have assembled two of them
>>> to begin testing. So far everything appears to be working as intended,
>>> including the dsPIC processors, CV / Pot signal conditioning, codec and
>>> audio I/O buffering. I still need to test out the external RAM and EEPROM,
>>> as well as the MIDI input.
>>>
>>> More details here, including photos of assembled boards:
>>>
>>> http://members.cox.net/ebrombaugh1/synth/dsPIC_sp/index.html
>>>
>>> http://members.cox.net/ebrombaugh1/synth/dsPIC_adac/index.html
>>>
>>> I'll post more as I get further into the firmware development.
>>>
>>> Eric
>>> _______________________________________________
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>>> Synth-diy at dropmix.xs4all.nl
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>>>
>>
>>
>>
>
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