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Step 4Get that board and LEDs in there!
The board will seat nicely on the left side of the theremin. Connect the input voltage pin of the 7805 to the 12v female header. Connect the ground to the ground pin. Connect the blue wire from the OpAmp to Analog Pin 0 of the ATMega chip.
If you made your board like I did, you will have one RGB lined up nicely near the middle of the far left side now!
I used a *dab* of hot glue to hold the other LED in place, on the far right side of the theremin.
The other nice trick I like to do is use styrofoam spheres to diffuse the LEDs. They can get quite bright, and the balls create a nice large object.
I used needle nose pliers to create a hole in each ball. Then just plopped the balls on top of each LED! So simple, cheap, and effective! yay efficiency!
If you made your board like I did, you will have one RGB lined up nicely near the middle of the far left side now!
I used a *dab* of hot glue to hold the other LED in place, on the far right side of the theremin.
The other nice trick I like to do is use styrofoam spheres to diffuse the LEDs. They can get quite bright, and the balls create a nice large object.
I used needle nose pliers to create a hole in each ball. Then just plopped the balls on top of each LED! So simple, cheap, and effective! yay efficiency!
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