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Project Help and Ideas » harmonizing simple oscillators
February 19, 2012 by raccoons |
so ive built this little oscillator (really basic, i'm a complete noob at this stuff) following a tutorial by nicolas collins. heres a picture:
the potentiometer adjusts the pitch. so yeah i was wondering how i could harmonize multiple sounds at once on this one breadboard? i figured it was putting another capacitor on pin 3 of the CMOS chip, and then attaching another potentiometer to pins 3 and 4. (of the chip) but the only way the sound is heard is if the amp is plugged into the first of the two lines of pins. so the sound on pins 3 and 4 can only be heard if the amp is plugged into pin 3. but then the sound coming from pins 1 and 2 can't be heard. how would i make it so both can be heard, thus producing harmony? sorry if this doesn't make sense haha, i did a pretty bad job of explaining it. also how could i further go about modifying the sound? any tips? thanks in advance! :) |
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February 19, 2012 by raccoons |
oh and that big yellow wire and the black wire, those connect to the speakers |
February 19, 2012 by missle3944 |
Racoons, That looks pretty cool. What IC are you using? That might help. :) I've done some projects with 555 and 556 timers before, those are really fun to mess around with and their are relatively simple just a few resistors, a cap, and a speaker to make them work! -Dan |
February 19, 2012 by raccoons |
Dan, thanks! It is an Inverter Schmitt Trigger 6 Element CMOS 14-Pin Plastic Dip Rail. -Ted |
February 19, 2012 by missle3944 |
That is pretty cool, I've never messed around with schmitt triggers before. It would be interesting to see what frequency you are generating. I suppose if you put in a larger value cap then the frequency would get slower and thus the tone gets deeper. -Dan |
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