(kicad_pcb
	(version 20241229)
	(generator "pcbnew")
	(generator_version "9.0")
	(general
		(thickness 1.646)
		(legacy_teardrops no)
	)
	(paper "A4")
	(layers
		(0 "F.Cu" signal)
		(2 "B.Cu" signal)
		(9 "F.Adhes" user "F.Adhesive")
		(11 "B.Adhes" user "B.Adhesive")
		(13 "F.Paste" user)
		(15 "B.Paste" user)
		(5 "F.SilkS" user "F.Silkscreen")
		(7 "B.SilkS" user "B.Silkscreen")
		(1 "F.Mask" user)
		(3 "B.Mask" user)
		(17 "Dwgs.User" user "User.Drawings")
		(19 "Cmts.User" user "User.Comments")
		(21 "Eco1.User" user "User.Eco1")
		(23 "Eco2.User" user "User.Eco2")
		(25 "Edge.Cuts" user)
		(27 "Margin" user)
		(31 "F.CrtYd" user "F.Courtyard")
		(29 "B.CrtYd" user "B.Courtyard")
		(35 "F.Fab" user)
		(33 "B.Fab" user)
		(39 "User.1" user)
		(41 "User.2" user)
		(43 "User.3" user)
		(45 "User.4" user)
		(47 "User.5" user)
		(49 "User.6" user)
		(51 "User.7" user)
		(53 "User.8" user)
		(55 "User.9" user)
	)
	(setup
		(stackup
			(layer "F.SilkS"
				(type "Top Silk Screen")
				(material "Liquid Photo")
			)
			(layer "F.Paste"
				(type "Top Solder Paste")
			)
			(layer "F.Mask"
				(type "Top Solder Mask")
				(color "Purple")
				(thickness 0.0254)
				(material "SMOBC")
				(epsilon_r 3.3)
				(loss_tangent 0)
			)
			(layer "F.Cu"
				(type "copper")
				(thickness 0.0356)
			)
			(layer "dielectric 1"
				(type "core")
				(thickness 1.524)
				(material "FR4")
				(epsilon_r 4.5)
				(loss_tangent 0.02)
			)
			(layer "B.Cu"
				(type "copper")
				(thickness 0.0356)
			)
			(layer "B.Mask"
				(type "Bottom Solder Mask")
				(color "Purple")
				(thickness 0.0254)
				(material "SMOBC")
				(epsilon_r 3.3)
				(loss_tangent 0)
			)
			(layer "B.Paste"
				(type "Bottom Solder Paste")
			)
			(layer "B.SilkS"
				(type "Bottom Silk Screen")
				(material "Liquid Photo")
			)
			(copper_finish "ENIG")
			(dielectric_constraints no)
		)
		(pad_to_mask_clearance 0.0762)
		(solder_mask_min_width 0.1016)
		(allow_soldermask_bridges_in_footprints yes)
		(tenting front back)
		(aux_axis_origin 127.20111 115.16359)
		(grid_origin 127.20111 115.16359)
		(pcbplotparams
			(layerselection 0x00000000_00000000_55555555_5755f5ff)
			(plot_on_all_layers_selection 0x00000000_00000000_00000000_00000000)
			(disableapertmacros no)
			(usegerberextensions no)
			(usegerberattributes yes)
			(usegerberadvancedattributes yes)
			(creategerberjobfile yes)
			(dashed_line_dash_ratio 12.000000)
			(dashed_line_gap_ratio 3.000000)
			(svgprecision 4)
			(plotframeref no)
			(mode 1)
			(useauxorigin no)
			(hpglpennumber 1)
			(hpglpenspeed 20)
			(hpglpendiameter 15.000000)
			(pdf_front_fp_property_popups yes)
			(pdf_back_fp_property_popups yes)
			(pdf_metadata yes)
			(pdf_single_document no)
			(dxfpolygonmode yes)
			(dxfimperialunits yes)
			(dxfusepcbnewfont yes)
			(psnegative no)
			(psa4output no)
			(plot_black_and_white yes)
			(sketchpadsonfab no)
			(plotpadnumbers no)
			(hidednponfab no)
			(sketchdnponfab yes)
			(crossoutdnponfab yes)
			(subtractmaskfromsilk no)
			(outputformat 1)
			(mirror no)
			(drillshape 1)
			(scaleselection 1)
			(outputdirectory "")
		)
	)
	(net 0 "")
	(net 1 "GND")
	(net 2 "+3.3V")
	(net 3 "Net-(JP11-C)")
	(net 4 "Net-(JP12-C)")
	(net 5 "Net-(JP13-B)")
	(net 6 "Net-(JP14-A)")
	(net 7 "Net-(JP15-A)")
	(net 8 "Net-(JP16-A)")
	(net 9 "Net-(U7-OUTN)")
	(net 10 "Net-(U7-OUTP)")
	(net 11 "Net-(MK2-SD)")
	(net 12 "unconnected-(U7-NC-Pad6)")
	(net 13 "unconnected-(U7-NC-Pad5)")
	(net 14 "unconnected-(U7-NC-Pad12)")
	(net 15 "unconnected-(U7-NC-Pad13)")
	(net 16 "/AUDIO_INT")
	(net 17 "unconnected-(X2-Pad5)")
	(net 18 "unconnected-(X2-Pad2)")
	(net 19 "unconnected-(X2-Pad6)")
	(net 20 "unconnected-(X2-Pad8)")
	(net 21 "unconnected-(X2-Pad4)")
	(net 22 "unconnected-(X2-Pad9)")
	(net 23 "unconnected-(X2-Pad7)")
	(net 24 "unconnected-(X2-Pad16)")
	(net 25 "/BCLK")
	(net 26 "/SCL")
	(net 27 "/SDA")
	(net 28 "/Audio Subsystem/~{SD_MODE}")
	(net 29 "/Audio Subsystem/GAIN_SLOT")
	(net 30 "/LRCLK")
	(net 31 "/~{AMP_SD}")
	(net 32 "/MIC_DOUT")
	(net 33 "/AMP_DIN")
	(net 34 "Net-(MK2-LR)")
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 246.88 62.7 -90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R25"
			(at 0 -1.43 90)
			(layer "F.SilkS")
		)
		(property "Value" "634k"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 7 "Net-(JP15-A)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 31 "/~{AMP_SD}")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical"
		(layer "F.Cu")
		(at 266.75 60.7 90)
		(descr "JST EH series connector, B2B-EH-A (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator")
		(tags "connector JST EH vertical")
		(property "Reference" "LS2"
			(at 1.25 -2.8 90)
			(layer "F.SilkS")
		)
		(property "Value" "Speaker"
			(at 1.25 3.4 90)
			(layer "F.SilkS")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Speaker"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr through_hole)
		(fp_text user "${REFERENCE}"
			(at 1.25 1.5 90)
			(layer "F.Fab")
		)
		(pad "1" thru_hole roundrect
			(at 0 0 90)
			(size 1.7 2)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(roundrect_rratio 0.147059)
			(net 10 "Net-(U7-OUTP)")
			(pinfunction "1")
			(pintype "input")
		)
		(pad "2" thru_hole oval
			(at 2.5 0 90)
			(size 1.7 2)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 9 "Net-(U7-OUTN)")
			(pinfunction "2")
			(pintype "input")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Connector_JST.3dshapes/JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 247.46 70.33 180)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R20"
			(at 0 -1.43 0)
			(layer "F.SilkS")
		)
		(property "Value" "47k"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 180)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 34 "Net-(MK2-LR)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 180)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0603_1608Metric"
		(layer "F.Cu")
		(at 259.92 65.55)
		(descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C86"
			(at -2.59 -0.09 0)
			(layer "F.SilkS")
		)
		(property "Value" "1uF"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "capacitor, US symbol"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.775 0)
			(size 0.9 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "+3.3V")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.775 0)
			(size 0.9 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "capstone-project:Adafruit EYESPI FPC Connector"
		(layer "F.Cu")
		(at 234.35 62.35 -90)
		(descr "WR-FPC SMT ZIF Horizontal Hinge Type")
		(tags "EYESPI, FPC")
		(property "Reference" "X2"
			(at -11.375 -2.235 90)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Value" "EYESPI"
			(at -10.11 0.837915 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" "https://www.we-online.com/components/products/datasheet/687118149022.pdf"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "WR-FPC SMT ZIF Horizontal Hinge Type"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Assignment" "AUDIO_I2S0"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(sheetname "/")
		(sheetfile "system-testbed.kicad_sch")
		(attr smd)
		(pad "1" smd rect
			(at -4.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 2 "+3.3V")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" smd rect
			(at -3.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 18 "unconnected-(X2-Pad2)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "3" smd rect
			(at -3.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "GND")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "4" smd rect
			(at -2.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 21 "unconnected-(X2-Pad4)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "5" smd rect
			(at -2.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 17 "unconnected-(X2-Pad5)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "6" smd rect
			(at -1.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 19 "unconnected-(X2-Pad6)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "7" smd rect
			(at -1.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 23 "unconnected-(X2-Pad7)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "8" smd rect
			(at -0.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 20 "unconnected-(X2-Pad8)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "9" smd rect
			(at -0.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 22 "unconnected-(X2-Pad9)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "10" smd rect
			(at 0.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 31 "/~{AMP_SD}")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "11" smd rect
			(at 0.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 32 "/MIC_DOUT")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "12" smd rect
			(at 1.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 33 "/AMP_DIN")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "13" smd rect
			(at 1.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 26 "/SCL")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "14" smd rect
			(at 2.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 27 "/SDA")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "15" smd rect
			(at 2.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 16 "/AUDIO_INT")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "16" smd rect
			(at 3.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 24 "unconnected-(X2-Pad16)")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "17" smd rect
			(at 3.75 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 25 "/BCLK")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "18" smd rect
			(at 4.25 -3.35 270)
			(size 0.3 1.3)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 30 "/LRCLK")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "Z1" smd rect
			(at -6.05 -0.6 270)
			(size 2 1.8)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "GND")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "Z2" smd rect
			(at 6.05 -0.6 270)
			(size 2 1.8)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "GND")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/capstone-project.pretty/3dmodels/687118149022+(rev1).step"
			(offset
				(xyz 0 0.5 1.15)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz -0 -0 -0)
			)
		)
	)
	(footprint "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm"
		(layer "F.Cu")
		(at 250.83 59.04 90)
		(descr "SMD Solder Jumper, 1x1.5mm, rounded Pads, 0.3mm gap, open")
		(tags "solder jumper open")
		(property "Reference" "JP14"
			(at 2.06 0.06 180)
			(layer "F.SilkS")
		)
		(property "Value" "CH_LEFT"
			(at 0 1.9 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Solder Jumper, 2-pole, open"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Open*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(pad "1" smd custom
			(at -0.65 0 90)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 6 "Net-(JP14-A)")
			(pinfunction "A")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0.5 0.75) (xy 0 0.75) (xy 0 -0.75) (xy 0.5 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(pad "2" smd custom
			(at 0.65 0 90)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pinfunction "B")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0 0.75) (xy -0.5 0.75) (xy -0.5 -0.75) (xy 0 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(embedded_fonts no)
	)
	(footprint "TestPoint:TestPoint_Pad_D1.0mm"
		(layer "F.Cu")
		(at 258.68 54.76)
		(descr "SMD pad as test Point, diameter 1.0mm")
		(tags "test point SMD pad")
		(property "Reference" "TPBCLK1"
			(at 0 -1.448 0)
			(layer "F.SilkS")
		)
		(property "Value" "~"
			(at 0 1.55 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "test point"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Pin* Test*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr exclude_from_pos_files)
		(fp_text user "${REFERENCE}"
			(at 0 -1.45 0)
			(layer "F.Fab")
		)
		(pad "1" smd circle
			(at 0 0)
			(size 1 1)
			(layers "F.Cu" "F.Mask")
			(net 25 "/BCLK")
			(pinfunction "1")
			(pintype "passive")
		)
		(embedded_fonts no)
	)
	(footprint "MountingHole:MountingHole_3.2mm_M3_ISO14580_Pad"
		(layer "F.Cu")
		(at 234.67 51.85)
		(descr "Mounting Hole 3.2mm, M3, generated by kicad-footprint-generator mountinghole.py")
		(tags "mountinghole M3 ISO14580")
		(property "Reference" "H16"
			(at 0 -3.7 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Value" "M3"
			(at 0 3.7 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Mounting Hole with connection"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "MountingHole*Pad*")
		(sheetname "/")
		(sheetfile "system-testbed.kicad_sch")
		(attr exclude_from_pos_files exclude_from_bom)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" thru_hole circle
			(at 0 0)
			(size 5.5 5.5)
			(drill 3.2)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 1 "GND")
			(pinfunction "1")
			(pintype "input")
			(zone_connect 2)
		)
		(embedded_fonts no)
	)
	(footprint "MountingHole:MountingHole_3.2mm_M3_ISO14580_Pad"
		(layer "F.Cu")
		(at 266.67 51.79)
		(descr "Mounting Hole 3.2mm, M3, generated by kicad-footprint-generator mountinghole.py")
		(tags "mountinghole M3 ISO14580")
		(property "Reference" "H15"
			(at 0 -3.7 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Value" "M3"
			(at 0 3.7 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Mounting Hole with connection"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "MountingHole*Pad*")
		(sheetname "/")
		(sheetfile "system-testbed.kicad_sch")
		(attr exclude_from_pos_files exclude_from_bom)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" thru_hole circle
			(at 0 0)
			(size 5.5 5.5)
			(drill 3.2)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 1 "GND")
			(pinfunction "1")
			(pintype "input")
			(zone_connect 2)
		)
		(embedded_fonts no)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 245.96 54.655 -90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R28"
			(at -1.755 0.07 180)
			(layer "F.SilkS")
		)
		(property "Value" "100k"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "GND")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels"
		(layer "F.Cu")
		(at 254.28 54.51 -90)
		(descr "SMD Solder 3-pad Jumper, 1x1.5mm rounded Pads, 0.3mm gap, open, labeled with numbers")
		(tags "solder jumper open")
		(property "Reference" "JP13"
			(at -3.83 0.18 180)
			(layer "F.SilkS")
		)
		(property "Value" "GAIN_{R}"
			(at 0 1.9 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Solder Jumper, 3-pole, open"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Open*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(fp_text user "3"
			(at 2.6 0 90)
			(layer "F.SilkS")
		)
		(fp_text user "1"
			(at -2.6 0 90)
			(layer "F.SilkS")
		)
		(pad "1" smd custom
			(at -1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 3 "Net-(JP11-C)")
			(pinfunction "A")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0.55 0.75) (xy 0 0.75) (xy 0 -0.75) (xy 0.55 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(pad "2" smd rect
			(at 0 0 270)
			(size 1 1.5)
			(layers "F.Cu" "F.Mask")
			(net 29 "/Audio Subsystem/GAIN_SLOT")
			(pinfunction "C")
			(pintype "passive")
		)
		(pad "3" smd custom
			(at 1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 5 "Net-(JP13-B)")
			(pinfunction "B")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0 0.75) (xy -0.55 0.75) (xy -0.55 -0.75) (xy 0 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(embedded_fonts no)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 251.57 54.575 -90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R24"
			(at -1.855 -0.16 180)
			(layer "F.SilkS")
		)
		(property "Value" "100k 5%"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 3 "Net-(JP11-C)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 5 "Net-(JP13-B)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels"
		(layer "F.Cu")
		(at 243 54.19 -90)
		(descr "SMD Solder 3-pad Jumper, 1x1.5mm rounded Pads, 0.3mm gap, pads 1-2 bridged with 1 copper strip, labeled with numbers")
		(tags "net tie solder jumper bridged")
		(property "Reference" "JP12"
			(at -3.99 0 180)
			(layer "F.SilkS")
		)
		(property "Value" "Driver"
			(at 0 1.9 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" "~"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "3-pole Solder Jumper, pins 1+2 closed/bridged"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Bridged12*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(net_tie_pad_groups "1, 2")
		(fp_text user "3"
			(at 2.6 0 90)
			(layer "F.SilkS")
		)
		(fp_text user "1"
			(at -2.6 0 90)
			(layer "F.SilkS")
		)
		(pad "1" smd custom
			(at -1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 2 "+3.3V")
			(pinfunction "A")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_poly
					(pts
						(xy 0.55 0.75) (xy 0 0.75) (xy 0 -0.75) (xy 0.55 -0.75)
					)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
			)
		)
		(pad "2" smd rect
			(at 0 0 270)
			(size 1 1.5)
			(layers "F.Cu" "F.Mask")
			(net 4 "Net-(JP12-C)")
			(pinfunction "C")
			(pintype "passive")
		)
		(pad "3" smd custom
			(at 1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pinfunction "B")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0 0.75) (xy -0.55 0.75) (xy -0.55 -0.75) (xy 0 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(embedded_fonts no)
	)
	(footprint "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm"
		(layer "F.Cu")
		(at 243.05 59.1 90)
		(descr "SMD Solder Jumper, 1x1.5mm, rounded Pads, 0.3mm gap, open")
		(tags "solder jumper open")
		(property "Reference" "JP16"
			(at 1.95 -1.91 180)
			(layer "F.SilkS")
		)
		(property "Value" "CH_RIGHT"
			(at 0 1.9 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Solder Jumper, 2-pole, open"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Open*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(pad "1" smd custom
			(at -0.65 0 90)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 8 "Net-(JP16-A)")
			(pinfunction "A")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0.5 0.75) (xy 0 0.75) (xy 0 -0.75) (xy 0.5 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(pad "2" smd custom
			(at 0.65 0 90)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pinfunction "B")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0 0.75) (xy -0.5 0.75) (xy -0.5 -0.75) (xy 0 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(embedded_fonts no)
	)
	(footprint "Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm"
		(layer "F.Cu")
		(at 246.84 59.04 90)
		(descr "SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, bridged with 1 copper strip")
		(tags "net tie solder jumper bridged")
		(property "Reference" "JP15"
			(at 2.08 -0.05 180)
			(layer "F.SilkS")
		)
		(property "Value" "CH_MONO_MIX"
			(at 0 1.9 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Solder Jumper, 2-pole, closed/bridged"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Bridged*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(net_tie_pad_groups "1, 2")
		(pad "1" smd rect
			(at -0.65 0 90)
			(size 1 1.5)
			(layers "F.Cu" "F.Mask")
			(net 7 "Net-(JP15-A)")
			(pinfunction "A")
			(pintype "passive")
		)
		(pad "2" smd rect
			(at 0.65 0 90)
			(size 1 1.5)
			(layers "F.Cu" "F.Mask")
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pinfunction "B")
			(pintype "passive")
		)
		(embedded_fonts no)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 243.1 62.73 90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R26"
			(at 0 1.19 90)
			(layer "F.SilkS")
		)
		(property "Value" "330k"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 90)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 31 "/~{AMP_SD}")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 90)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 8 "Net-(JP16-A)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 250.93 62.7 -90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R27"
			(at 0 -1.43 90)
			(layer "F.SilkS")
		)
		(property "Value" "2k"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 6 "Net-(JP14-A)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 31 "/~{AMP_SD}")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels"
		(layer "F.Cu")
		(at 248.88 54.34 -90)
		(descr "SMD Solder 3-pad Jumper, 1x1.5mm rounded Pads, 0.3mm gap, open, labeled with numbers")
		(tags "solder jumper open")
		(property "Reference" "JP11"
			(at -3.96 -0.03 180)
			(layer "F.SilkS")
		)
		(property "Value" "GAIN_{LOGIC}"
			(at 0 1.9 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Solder Jumper, 3-pole, open"
			(at 0 0 270)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SolderJumper*Open*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(zone_connect 1)
		(attr exclude_from_pos_files allow_soldermask_bridges)
		(fp_text user "1"
			(at -2.6 0 90)
			(layer "F.SilkS")
		)
		(fp_text user "3"
			(at 2.6 0 90)
			(layer "F.SilkS")
		)
		(pad "1" smd custom
			(at -1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 2 "+3.3V")
			(pinfunction "A")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0.55 0.75) (xy 0 0.75) (xy 0 -0.75) (xy 0.55 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(pad "2" smd rect
			(at 0 0 270)
			(size 1 1.5)
			(layers "F.Cu" "F.Mask")
			(net 3 "Net-(JP11-C)")
			(pinfunction "C")
			(pintype "passive")
		)
		(pad "3" smd custom
			(at 1.3 0 270)
			(size 1 0.5)
			(layers "F.Cu" "F.Mask")
			(net 1 "GND")
			(pinfunction "B")
			(pintype "passive")
			(zone_connect 2)
			(thermal_bridge_angle 45)
			(options
				(clearance outline)
				(anchor rect)
			)
			(primitives
				(gr_circle
					(center 0 0.25)
					(end 0.5 0.25)
					(width 0)
					(fill yes)
				)
				(gr_circle
					(center 0 -0.25)
					(end 0.5 -0.25)
					(width 0)
					(fill yes)
				)
				(gr_poly
					(pts
						(xy 0 0.75) (xy -0.55 0.75) (xy -0.55 -0.75) (xy 0 -0.75)
					)
					(width 0)
					(fill yes)
				)
			)
		)
		(embedded_fonts no)
	)
	(footprint "MountingHole:MountingHole_3.2mm_M3_ISO14580_Pad"
		(layer "F.Cu")
		(at 266.63 67.86)
		(descr "Mounting Hole 3.2mm, M3, generated by kicad-footprint-generator mountinghole.py")
		(tags "mountinghole M3 ISO14580")
		(property "Reference" "H13"
			(at 1.92 -3.43 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Value" "M3"
			(at 0 3.7 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Mounting Hole with connection"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "MountingHole*Pad*")
		(sheetname "/")
		(sheetfile "system-testbed.kicad_sch")
		(attr exclude_from_pos_files exclude_from_bom)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" thru_hole circle
			(at 0 0)
			(size 5.5 5.5)
			(drill 3.2)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 1 "GND")
			(pinfunction "1")
			(pintype "input")
			(zone_connect 2)
		)
		(embedded_fonts no)
	)
	(footprint "TestPoint:TestPoint_Pad_D1.0mm"
		(layer "F.Cu")
		(at 262.75 54.29)
		(descr "SMD pad as test Point, diameter 1.0mm")
		(tags "test point SMD pad")
		(property "Reference" "TPLRCLK1"
			(at 0 -1.448 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Value" "~"
			(at 0 1.55 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "test point"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Pin* Test*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr exclude_from_pos_files)
		(fp_text user "${REFERENCE}"
			(at 0 -1.45 0)
			(layer "F.Fab")
		)
		(pad "1" smd circle
			(at 0 0)
			(size 1 1)
			(layers "F.Cu" "F.Mask")
			(net 30 "/LRCLK")
			(pinfunction "1")
			(pintype "passive")
		)
		(embedded_fonts no)
	)
	(footprint "TestPoint:TestPoint_Pad_D1.0mm"
		(layer "F.Cu")
		(at 239.09 49.69)
		(descr "SMD pad as test Point, diameter 1.0mm")
		(tags "test point SMD pad")
		(property "Reference" "TPAMP1"
			(at 0 -1.448 0)
			(layer "F.SilkS")
		)
		(property "Value" "~"
			(at 0 1.55 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "test point"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Pin* Test*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr exclude_from_pos_files)
		(fp_text user "${REFERENCE}"
			(at 0 -1.45 0)
			(layer "F.Fab")
		)
		(pad "1" smd circle
			(at 0 0)
			(size 1 1)
			(layers "F.Cu" "F.Mask")
			(net 33 "/AMP_DIN")
			(pinfunction "1")
			(pintype "passive")
		)
		(embedded_fonts no)
	)
	(footprint "Capacitor_SMD:C_0603_1608Metric"
		(layer "F.Cu")
		(at 259.92 62.84)
		(descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C94"
			(at -2.64 0.18 0)
			(layer "F.SilkS")
		)
		(property "Value" "0.1uF"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "capacitor, US symbol"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.775 0)
			(size 0.9 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "+3.3V")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.775 0)
			(size 0.9 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 249.63 65.28)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R21"
			(at -0.03 1.46 0)
			(layer "F.SilkS")
		)
		(property "Value" "47k"
			(at 0.35 1.21 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 11 "Net-(MK2-SD)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 244.695 65.35 180)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R22"
			(at 0.425 -1.35 0)
			(layer "F.SilkS")
		)
		(property "Value" "68"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 180)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 11 "Net-(MK2-SD)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 180)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 32 "/MIC_DOUT")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric"
		(layer "F.Cu")
		(at 240.09 54.545 -90)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R23"
			(at -1.895 0.06 180)
			(layer "F.SilkS")
		)
		(property "Value" "2k"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor, US symbol"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 4 "Net-(JP12-C)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.825 0 270)
			(size 0.8 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 28 "/Audio Subsystem/~{SD_MODE}")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD9_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0603_1608Metric"
		(layer "F.Cu")
		(at 242.26 70.08 -90)
		(descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C97"
			(at 0 -1.43 90)
			(layer "F.SilkS")
		)
		(property "Value" "22pF"
			(at 0 1.43 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/Audio Subsystem/")
		(sheetfile "audio-subsystem.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.775 0 270)
			(size 0.9 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 25 "/BCLK")
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