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1  Topics / Interactive Art / Laser Harp. Trouble with Abelton on: February 15, 2012, 04:11:54 pm
Hello all,
Me and a friend are building a laser harp modeled off of this project :
We have built the circuit to turn the note on/off when you shine a laser of the photocell. We have connected and wired the MIDI - USB interface through a 5PIN din connector. Using MIDIOX, as the Make project does, we get a note on signal when we shine a light on the photocell.

The trouble is that Ableton does not pick up the signal. Under preferences in the MIDI/Sync tab it sees our device and we can turn its track on/off. However, the MIDI indicator in the top right does not light up when we turn our note on/off.

I got my MIDI-USB interface from amazon here:

I never installed a driver for the USB-MIDI interface so that might be a problem. But would MIDIOX still pick up the signal?

Here is the MIDIsend Function
void SendMIDI(char cmd, char data1, char data2)

And here is where I call it:
    SendMIDI(MIDICMD_NOTEON, i, 127);

Does anyone have any ideas?

Thanks a lot

EDIT: I am using the trial version of Ableton 8 on Windows Vista
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