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artsfest-hardware

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@kaine119

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KiCad projectAll 85 files, ready to open in KiCad4.5 MB
For fabricationGerbers, drill, pick-and-place and BOMGerbers and drill zip227 KBGerbers and drill zip: audio-test-board118 KBGerbers and drill zip: touch-test-board84 KBPick and place (CSV)6.1 KBPick and place (CSV): audio-test-board2.7 KBPick and place (CSV): touch-test-board2.6 KBBOM CSV11 KB
Schematic PDFEvery sheet, to read or print289 KB
3D modelThe board with its parts, for an enclosure (GLB)3D model (GLB)5.9 MB3D model (GLB): audio-test-board2.1 MB3D model (GLB): touch-test-board1.3 MB
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README

Artsfest 2025 PoC PCBs

audio-test-board consist of an I2S DAC, connected to a headphone and speaker amp.

  • DAC: Texas Instruments PCM5100A I2S DAC. This feeds both the headphone and the speaker amp
  • Headphone amp: TI TPA6139A2RGTR, Speaker amp: TI TPA6211A1DGN
  • Headphone jack: generic 3.5mm TRRS jack with normally-closed contacts on Tip and R1

touch-test-board breaks out an Infineon CY8CMBR3116 16-way capacitive touch sensing controller into a I2C interface, and 16 touch pads. Manufacture with ENIG for best results =)

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