| StoreTags: diy, cmos, circuit bending, midi, hack
Author: jp on January 31 2008 Viewed 2091 times. 24 people liked this blog. You can rate it below if you haven't already.
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my midi controlled cmos diy synth (prototype):
a cheap diy instrument controlled by ableton live.
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01/31/08
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yghartsyrt
your stuff always makes me smile.
i just love it.
i'd buy your machines and your records.
amazing stuff. thanks for sharing.
do you mind telling, how the synthesis was structured, achieved on the circuit?
01/31/08
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ricemutt
that looks like a blast. One of these days... cool beans.
01/31/08
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tantan
holy cow, this is so awesome! Way to go on this, the results are really really nice. You should play with panasonic.
02/01/08
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Psyingo
i liked those rhythmic clicking, care to share how you got the midi controller made up?
02/01/08
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dach
That was awesome, how do the body contacts work?
02/01/08
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lematt
wow, it seems that you can make a whole minimalistic live set with that config !
the sounds are awesome !
02/01/08
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jp
the synthesis is made of two oscillators: cmos schmitt-trigger (you'll find it on the net)
and then there are two distortion channels made out of cmos inverters, those two channels go to the outputs
initially there's no connection between the oscillators and the distortion
so you have to connect the oscillators (the three pads on top) to the distortion channels (middle row) either with your fingers or with wires or resistors.
with the bottom row you can add more feedback to the distortion
i will test this thing a little more thoroughly and then release the schematic and the programm, but the basic midi circuit is quite simple:
just a midi input (via a 6n136 optocoupler) and microcontroller that reads the midi data and blinks or dims the leds.
02/01/08
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Psyingo
i meant mainly what the program you were using with the atmel i guess. i can see its a simple circuit, id like to do something like that so i can interface my modular with midi
edited: Feb 01 2008
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jp
you can download the c code here now:
link
schematic has to wait...
02/02/08
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flies
dude, you're awesome. this is such an excellent, creative idea, and it sounds awesome! excellent pan sonic/noto type sounds in that last minute. A+
03/18/08
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tunalicker
more interesting that i would've thought to watch. great experiment.
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