[sdiy] Two new microcontroller projects (echo and MIDI sync)
Stewart Pye
stewpye at optusnet.com.au
Fri Jun 18 14:39:04 CEST 2010
Maybe I'm alone here but to me the MIDI-IR and IR Sync seem redundant.
What's wrong with plugging a cable between devices? Going by the webpage
on IR Sync, any cable would be a hell of a lot less hassle (and timing
more reliable) than using the IR Sync protocol.
It's not the 1st of April is it?
Stew.
Wooster Audio wrote:
> I have two microcontroller-based projects for sale on my website. I
> wasn't going to plug them here but they are both related to recent
> threads so why not. I think either board would make a useful platform
> for microcontroller synth experiments.
>
> The first is Space Baby. It is a digital delay that can be beat-synced
> to an infrared clock. The delay time can be modulated with an internal
> LFO, and the input can be ring modulated with the delayed output for
> distortion effects. The kit uses the Microchip dsPIC33FJ64GP802 which
> is a 16-bit microntroller with DSP features (similar to the one Tom
> Wiltshire mentions in the "small microcontroller" thread).
>
> The second is MIDI-IR. It takes a MIDI clock as an input and generates
> an infrared clock for syncing Space Baby, or other Andromeda Space
> Rocker kits. It can also act as a MIDI clock master. MIDI-IR normally
> outputs a 16th note clock, but has a button and knob for outputting
> other rhythms. MIDI-IR uses the PIC16F88 which is a 8-bit
> microcontroller. Since it has both MIDI in and MIDI out it might not
> be hard to write some code to turn it into a MIDI buffer as described
> in the recent "MIDI too fast" thread.
>
> There is a video of both in action on youtube:
> http://www.youtube.com/watch?v=qCax1eCkP8U
>
> Schematics and other information is available on my website
> http://woosteraudio.com. When you buy either kit I can send you the
> source code if you want to make your own modifications. The tools to
> compile code for either are free on the Microchip website, and a
> PICKit programmer is only $35.
>
> Nathan
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