voltavox
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Voltavox
Voltavox is a PCB-based phonograph "badge"!
Made primarially from PCBs, you can take a tiny PCB record, place it on the platter, place the needle on the record, and a song begins to play! Put a different record on, and as expected, you'll get a different song.
Voltavox is based heavily on the Adafruit Audio FX Sound Board. Using arturo182's FlexyPins and some castellated edges on the record PCBs, each record selectively pulls a different control pin on the Audio FX board to ground, choosing a different track. Dropping the needle onto the record completes the circuit and starts playing the audio. The horn is also comprised of PCBs soldered edge-to-edge, with a small speaker inside.
BOM
Off The Shelf
PCBs
| Item | Quantity | Order Instructions | Note |
|---|---|---|---|
| Record | 1+ | 1.6mm PCB, 1oz copper. Gloss Black Soldermask, Lead-Free HASL finish. | Has castellated pads to interface with the FlexyPins. Be sure to include a note to your board shop. |
| Platter | 1 | 1.6mm PCB, 1oz copper. Matte Black Soldermask, Lead-Free HASL finish. | - |
| Needle | 1 | 1.6mm PCB, 1oz copper. Gloss Black Soldermask, Lead-Free HASL finish. | - |
| Horn Tier 1 | 8 | 1.6mm PCB, 1oz copper. Matte Black Soldermask, ENIG gold immersion finish. | Has castellated edges that are used for structural soldering. Be sure to include a note to your board shop. |
| Horn Tier 2 | 8 | 1.6mm PCB, 1oz copper. Matte Black Soldermask, ENIG gold immersion finish. | Has castellated edges that are used for structural soldering. Be sure to include a note to your board shop. |
3D Prints
| Item | Quantity | Material | Note |
|---|---|---|---|
| base | 1 | Wood PLA | Print with supports at 0.2mm layer height, 15% infill or more |
| horn-base-adapter | 1 | Silver PLA | Print with supports at 0.2mm layer height, 20% infill or more |
| drawer | 1 | Wood PLA | Print without supports at 0.2mm layer height, 15% infill or more |
| needle-mount | 1 | Silver PETG | Print without supports at 0.2mm layer height, 20% infill or more |
| pin | 1 | Silver PLA | Print without supports at 0.2mm layer height, 15% infill or more |
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