blingy Posted June 12, 2014 Report Share Posted June 12, 2014 So I've level shifted J28 with the 74HCT541 and adjusted the pulsewidth to I belive 3mS. I am now able to sync my TB-303, but curiously when I hit stop the 303 often (but not always) plays one more out of tune note that I don't think is even part of it's sequence. This doesn't happen when I sync it to my TR-707. I believe Roland's sync is running at a 50% duty cycle rather than just pulses, but I don't see how that would cause this either. I just wanted to see if this issue rang any bells for anyone. I'm using an LPC17 core and powering it via MIDI. Quote Link to comment Share on other sites More sharing options...
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